Editor's Note: Since the assassination last week of Lebanon's intelligence chief, Brig. Gen. Wissam al-Hassan, sporadic fighting has erupted across Lebanon, threatening to plunge the country into chaos and raising fears that it could be drawn into the bloody 19-month-old civil war in neighboring Syria. It's a complicated situation with several key players. Here are the latest developments for Tuesday:
[Update 6:20 a.m. ET] Lebanon’s Interior Minister Marwan Charbel says the discovery that the car bomb was placed in a stolen Toyota RAV 4 could result in leads that would help the investigation.
[Update 6:15 a.m. ET] Prime Minister Najib Mikati signs a declaration referring al-Hassan's assassination the nation's Judicial Council. He says the process needs to move faster.
[Updated 6:08 a.m. ET] Hezbollah Deputy Secretary General Sheikh Naim Qassem calls al-Hassan's assassination an attempt to create instability in Lebanon and "incite internal strike," the group's website reported. Following the announcement that a FBI team is headed to Lebanon to assist in the investigation, Qassem calls the matter an "internal issue."
[Updated 6 a.m. ET] EU foreign policy Chief Catherine Ashton expresses concern "about the stability in Lebanon," following a meeting with Mikati, the Lebanese news agency, NNA, reported.
[Updated 5:55 a.m. ET] The United Nations announces it is canceling Wednesday's U.N Day Celebration in Beirut in the spirit of national mourning, following al-Hassan's death.
[Updated 5:01 a.m. ET] At least seven people are dead following Monday's violence as Sunni Muslims and Alawites, an offshoot of Shiite Islam, continue to clash in the port city of Tripoli, the Lebanese news agency, NNA, reported. The Alawites support Syrian President Bashar al-Assad, who shares their faith, while the Sunnis do not.
[Posted 2:00 a.m. ET] Lebanese Prime Minister Najib Mikati is now meeting with EU foreign policy Chief Catherine Ashton in Beirut, according to the Lebanese national news agency. Ashton is on a tour of the Middle East.