- Rebel-held Aleppo facing increasing airstrikes following ceasefire
- Civilians share photos, videos, messages of everyday reality via WhatsApp
- Messages have become increasingly desperate
(CNN)Conditions in the embattled rebel-held eastern part of Aleppo are getting worse each day. There's no way in or out. Residents in the city are increasingly desperate to tell the world what's happening -- and many have turned to WhatsApp.