DAMASCUS, March 6 (Xinhua) -- An explosive-laden car went off in Syria's central province of Homs on Thursday, killing 13 civilians and injuring others, the pro-government al-Ekhbaria TV cited the Interior Ministry as saying.
The car exploded at the Muasalat roundabout in Homs, the report said, spelling no further details.
The explosion came just hours after a booby-trapped car exploded in the central Hama province, which killed four people and wounded 22 others.
Meanwhile, the official Syrian TV said mortar shells fired by rebels landed in the heart of the capital Damascus, near the Saudi embassy, causing injuries.
The embassy is empty as Saudi Arabia has withdrawn its diplomatic mission from Syria to protest against what it called the Syrian government's crackdown on protesters.
The violence flared up as the Syrian army is closing in on rebels in the key strategic town of Yabroud, north of Damascus, which is believed to house more than 10,000 rebel fighters.