
One of the two bombs used in the Boston Marathon attacks used a pressure cooker, the FBI said in a Joint Intelligence Bulletin.
The second device, the agency said, was housed in a metal container, "but currently there is insufficient evidence to determine if it was also a pressure cooker," the bulletin said.
The alert also said the fuzing system and method of initiation for the two devices are unknown.
The two devices, which exploded near the finish line of the Boston Marathon on Monday, left three people dead and more than 180 injured. No suspects have been identified.
Amid pomp and ceremony, Britain will say its final farewell Wednesday to Margaret Thatcher - its first female prime minister and a politician who even in death divides public opinion.
More than 2,000 mourners, Queen Elizabeth II and serving UK Prime Minister David Cameron among them, will join Thatcher's family at St. Paul's Cathedral in London to pay their respects.
FULL STORYAt least 40 people are feared dead in Iran and seven more in Pakistan after a powerful earthquake near the countries' shared border, Iran's state-run Press TV reported Tuesday, citing local reports.
Akbar Hussain Durrani, provincial home minister of Balochistan province, told CNN that six people had been killed by the quake and more than a dozen injured in the province's Washuk district.
The quake destroyed more than 50 shops in the district, Durrani said.
FULL STORYThe border with Mexico must be secure.
This requirement is the cornerstone of an immigration reform bill a bipartisan group of senators are to file on Capitol Hill Tuesday. There will be no path to legal residency for migrants without it.
Undocumented immigrants may also not reach the status of fully legal residents under the proposed legislation, until the Department of Homeland Security has implemented measures to prevent "unauthorized workers from obtaining employment in the United States."
FULL STORYThe security plan in place for the London Marathon this weekend will be reviewed following the deadly bomb blasts in Boston, London's Metropolitan Police said Tuesday.
"We will be reviewing our security arrangements in partnership with London Marathon," said event commander Chief Supt. Julia Pendry.
Police and race organizers said they are working closely together on security arrangements for Sunday's race, which attracts tens of thousands of competitors and spectators each year.
The organizers of the London Marathon said they expected the event "will go ahead as originally scheduled."
FULL STORY
Former Egyptian President Hosni Mubarak will remain behind bars, even though he won an appeal in which he asked to be released while awaiting a retrial, Egyptian state-run media said Monday.
An appeals court granted his appeal Monday, technically freeing him in the case involving the killing of nonviolent protesters during the 2011 uprising that brought him down. But that action was made moot when the court also ordered that he remain detained in connection with newer corruption charges that were added to the older allegations, state media said.
State media confirmed the court's orders Monday afternoon, after conflicting reports from state media and the country's Information Ministry about whether the orders were made.
FULL STORYInterpol has issued an international wanted notice for a French gangster who authorities say used explosives as part of a brazen escape from a prison in Lille over the weekend, the organization said Monday.
Redoine Faid held five people, including four guards, at gunpoint at the detention center in the city in northern France on Saturday, officials said. He then burst his way to freedom by detonating explosives that destroyed five doors, penitentiary union spokesman Etienne Dobrometz told CNN affiliate BFMTV.
Interpol announced Monday that it issued its wanted notice, known as a red notice, within hours of Faid's escape. A European arrest warrant covering 26 countries also was issued for him Saturday.
As North Koreans celebrated the birthday on Monday of their country's late founder, U.S. Secretary of State John Kerry urged the regime in Pyongyang to ditch its nuclear program and put a lid on its fiery threats if it wants to hold talks.
"The United States has made clear many times what the conditions are for our entering talks and they haven't changed," Kerry said during an interview with CNN's Jill Dougherty in Tokyo.
"The conditions have to be met where the North has to move towards denuclearization, indicate a seriousness in doing so by reducing these threats, stop the testing, and indicate it's actually prepared to negotiate," he said.
FULL STORYU.S. Secretary of State John Kerry will stop in Chicago on Monday on his way back from a tour of Asia to meet with the parents of a foreign service officer killed in a suicide attack in Afghanistan.
Anne Smedinghoff, 25, was one of six Americans killed on April 6.
The American diplomat, a civilian from the Defense Department and three U.S. service members were killed when a suicide bomber hit their convoy while they were delivering books to an Afghan school. Another U.S. service member was killed in a separate attack.
The man Hugo Chavez handpicked to be his successor won Venezuela's presidential vote, election authorities said, but the opposition candidate denounced irregularities and called for a recount.
Nicolas Maduro secured 50.66% of votes in Sunday's presidential election, while opposition candidate Henrique Capriles Radonski won 49.07%, officials said.
The top election official, National Electoral Council President Tibisay Lucena, called the results "irreversible."
But less than an hour later, Capriles said there were thousands of election irregularities, and called the results illegitimate.
FULL STORYAbout 70,000 refugees who fled violence in Mali are living in "appalling" conditions in a camp in the middle of the Mauritanian desert, Doctors Without Borders said Friday.
The situation has only got worse in Mbera camp since French forces entered Mali in January to help local forces take on Islamist militants, the humanitarian group said.
About 15,000 more refugees have flooded into the camp since the fighting, and conditions are so bad there that many who were healthy became ill or malnourished after they arrived.
FULL STORYAuthorities in Taiwan say 600 passengers were evacuated from a high-speed train Friday after explosives were found in luggage inside a bathroom.
The Taiwan High Speed Rail Corp. train stopped at Hsinchu City after someone found the explosives in two pieces of luggage in a toilet shortly after 9 a.m. local time, according to police.
FULL STORY[Updated at 9:23 a.m. ET] The United States will talk to North Korea, but only if the country gets serious about negotiating the end of its nuclear weapons program, Secretary of State John Kerry said after arriving Friday in Seoul for talks with U.S. ally South Korea.
"North Korea will not be accepted as a nuclear power," Kerry said.
His trip to South Korea – part of an Asian swing that also includes North Korean ally China – comes a day after a Pentagon intelligence assessment surfaced suggesting the country may have developed the ability to fire a nuclear-tipped missile at its foes.
Disclosed first by a congressman at a hearing Thursday and then confirmed to CNN by the Defense Department, the Defense Intelligence Agency assessment is the clearest acknowledgment yet by the United States about potential advances in North Korea's nuclear program.
FULL STORYThe couple accused of abducting their sons and sailing to Cuba will remain jailed without bond through the weekend, a Florida judge ruled Thursday.
The judge also appointed a public defender to represent Josh and Sharyn Hakken after they said they wouldn't be able to pay for a lawyer on their own.
They will return to court Monday for a pretrial detention hearing, the judge ruled.
FULL STORYUruguayan lawmakers have approved a same-sex marriage measure, leaving just one step – the president's expected signature – before such couples can wed in the South American country.
FULL STORYWatch CNN.com Live for gavel-to-gavel coverage of the trial of Jodi Arias, who's accused of killing her ex-boyfriend in 2008.
Today's programming highlights...
9:30 am ET - UK Parliament remembers Thatcher - Members of Britain's House of Commons convene for a special session to discuss the passing of former Prime Minister Margaret Thatcher.
Countries in northeast Asia remained on edge Wednesday amid warnings from U.S. and South Korean officials that North Korea could carry out a missile test at any point.
Japan has deployed missile defense systems around Tokyo, some Chinese tour groups have canceled visits to North Korea, and U.S. radars and satellites are trained on an area of the Korean east coast where Kim Jong Un's regime is believed to have prepared mobile ballistic missiles for a possible test launch.
After weeks of belligerent threats and provocative gestures from Pyongyang, the situation on the Korean Peninsula is fragile.
FULL STORY

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