CHRONOLOGY: Events in Lebanon since Hariri's killing

(Reuters) - At least three people were killed in an explosion which damaged a U.S. diplomatic car in Beirut on Tuesday and wounded a passenger, security sources said.

Here is a chronology of some of the main events in Lebanon since former Prime Minister Rafik al-Hariri was killed, along with 22 other people, on February 14, 2005.

February 28, 2005 - Pro-Syrian Prime Minister Omar Karami resigns.

March 5 - Syrian President Bashar al-Assad tells his parliament Syrian troops will start phased pullout from Lebanon.

April 26 - Last Syrian soldiers leave Lebanon.

June 2 - Samir Kassir, journalist opposed to Syria's role in Lebanon, is killed in Beirut by a bomb in his car.

June 16 - U.N. investigation into Hariri's killing starts.

June 19 - Lebanese parliamentary elections end in victory for anti-Syrian alliance led by Hariri's son Saad al-Hariri.

June 21 - Former Communist Party leader and critic of Syria George Hawi is killed in Beirut by a bomb in his car.