The Aleppo Siege, As Explained By A White Helmet

Ibrahim Abu Laith, the spokesperson for the White Helmets in rebel-held Aleppo, explains how dire the situation has become for the estimated 250,000 to 275,000 people living there under siege.

SEE MORE: Dear Assad, Here's Why The White Helmets Matter To Syria

A new regime offensive has led to hundreds of deaths, with many more people injured. Activists trapped in the eastern neighborhoods of the city say hundreds of recent Russian and Syrian airstrikes have targeted their city indiscriminately. 

The offense came after the collapse of a U.S.-Russia brokered cease-fire. Diplomats have attempted to revive the deal at the United Nations but have so far come up short.