A loud explosion shook a busy street in Jerusalem on Wednesday, wounding 50 people and killing at least one woman, authorities said. It is the first bombing of its kind in Jerusalem since 2004.
There was no immediate claim of responsibility for the blast.
Police found a medium-sized explosive device attached to a phone booth near the site of a blast. It was close to Jerusalem's central bus station, Israeli medical services said. Watch CNN capture the scene moments after the explosion
Several of those injured were hurt critically, authorities said. The wounded include two pregnant women, according to Nir Barkat, the mayor of Jerusalem.
He condemned the "cowardly terrorist attack" in which "innocent people were hurt."
The blast took place in "a very crowded area" with "a lot of civilians and two buses," said Yonatan Yagadovsky, a spokesman for Israel's emergency services. "Three to four are in critical condition. The rest of the casualties are moderately to lightly injured," he said.
The injuries came from both the force of the blast itself and from flying shrapnel, he said. The wounded included two pregnant women, he said. The blast comes after an unusually intense period of hostilities between Israel and the Palestinians. At least 10 Palestinians have been killed since Saturday, including four militants and two children who died in an Israeli strike that appears to have missed its target.
"Israel and Jerusalem are relatively very safe recently," Barkat told CNN. "This is something that happens rarely, and we hope to keep it that way."
The attack "brings very bad memories to us," medical services spokesman Yagadovsky said. Israel had not experienced an attack for a "very, very long time," he said. "It is something that we will have to deal with again."