A Syrian doctor told ITV News that tunnels and trenches are used to rush patients across the shattered city of Homs out of sight of snipers.
Dr Mosab sent us a video diary from his makeshift medical centre in the devastated Old City where his team are forced to use out-of-date medicine and an operating theatre without clean, fresh water.
More top news
Tens of thousands of fans of Arsenal and Aston Villa have descended on Wembley Stadium today for the FA Cup Final.
We round up the best reaction on social media to the news that Rio Ferdinand is hanging up his boots
Coronation Street stars paid tribute to "caring, loveable and funny" Anne Kirkbride, who played Deirdre Barlow for more than 40 years.