Syria's new rebel-led authorities say 14 interior ministry personnel have been killed and 10 injured in an "ambush" by forces loyal to ousted President Bashar al-Assad in the west of the country. They say the fighting took place near the Mediterranean port of Tartous on Tuesday.

Syria's new rulers began an operation in western Tartous province, home to many from ousted leader Bashar Assad's Alawite sect. The killing of 14 police officers the previous day has irked the Islamist-led authorities.

Assad, Asma al-Assad, is said to be battling leukemia, with doctors giving her a '50/50' chance of survival. The 49-year-old and her husband are currently in Moscow after being forced into exile when Islamist rebels overthrew Assad's brutal regime.

Assad, reportedly diagnosed with leukemia, faces a 50/50 survival chance. She's undergoing intensive treatment.

Assad, is reportedly battling leukemia, an aggressive cancer of the bone marrow and blood, and has a 50-50 chance of survival.