An anti-Syrian MP is among at least 10 people killed in an explosion in
Walid Eido died in the blast, in the mainly Muslim Manara neighborhood, his party's television station and officials said.
At least 10 other people were wounded, emergency services said.
Mr Eido is the third member of
A number of other high-profile anti-Syrian figures have been killed in
The latest blast comes two weeks after the UN Security Council voted to set up a tribunal to try suspects in the death of former Lebanese Prime Minister Rafik Hariri, killed in a car bombing in
Mr Eido was a member of the Future Movement of Mr Hariri's son, Saad.
The attack was swiftly condemned by Washington, an ally of the anti-Syrian government of Lebanese Prime Minister Fuad Siniora.
"The United States deplores this latest attack in Beirut that led to the death of a respected Member of Parliament, Walid Eido and his son," national security spokesman Gordon Johndroe said in a statement.
Smoke and debris
The explosion occurred at 1730 (1430 GMT) in a side street between two popular beach resorts, the
Television pictures from the scene showed wreckage strewn across a wide area.
The smoldering, upturned remains of at least one vehicle could be seen amid chunks of debris and shattered glass from surrounding buildings.
A large black plume of smoke was visible rising from the site of the blast.
The BBC's Kim Ghattas in
Telecommunications Minister Marwan Hamadeh blamed
"It is the same serial killer who wants to liquidate the parliamentary majority; it is a physical liquidation by the Syrian regime," Mr Hamadeh was quoted by AFP news agency as saying.
After the resignation last week of another coalition member, Mr Eido's death leaves the anti-Syrian bloc with a slim majority of just three members in parliament.
Wednesday's blast was the sixth explosion in just four weeks in
PHOTO CAPTION
Lebanese troops secure blast site