Syrian Civil War

Syrian troops besiege rebel-held parts of Aleppo

Syrian government forces closed the only road leading into and out of rebel-held parts of the northern city of Aleppo on Sunday, besieging hundreds of thousands of people and giving President Bashar Assad's forces one of their biggest successes since the five-year conflict began.

Sunday's push raised fears among the city's civilian population of a humanitarian crisis as many feared food and medicine will run out in Aleppo within a short time.

The siege marks the biggest victory for the government in Aleppo since rebels captured parts of the city in the summer of 2012. Aleppo, Syria's former commercial center and the country's largest city, has been divided and contested...