Syrian tanks have again attacked the central city of Homs.
Rebels say more than four hundred and fifty people have died in a week-long onslaught and locals fear troops could soon storm the city.
In Syria’s second city, Aleppo, a twin car bombing killed 28 people and wounded 235 people, according to state television.
The blasts happened outside a military building and a base used by security forces.
The government said foreign terrorists were behind the blasts; activists blamed President Bashar Assad’s regime.
In the capital Damascus, the rebel Free Syrian Army reportedly battled with government forces for four hours.
The number of casulaties is unknown.
The tension are also spilled over Syria’s borders.
In the Lebanese city of Tripoli, Sunni Muslims and Alawites clashed after a demonstration against the Syrian regime.
Members of Assad’s Alawite community make up 12 percent of Syria’s population.
The Assad family have ruled Syria after a 1970 coup sidelined Sunni Muslim leaders.