31 July 2012 Updated at 04:27 ET
Syria crisis: Fresh clashes in Aleppo
The BBC's Ian Pannell and cameraman Darren Conway were trapped by fighting in Aleppo. Their report contains graphic images of victims
Syria conflict
Fear and hunger in Aleppo
Fighting and refugees in maps
Aleppo's battleground school
Activist 'a symbol in death'
There have been fresh reports of clashes and attacks by helicopter gunships in Aleppo as the Syrian army offensive enters its fourth day.
link-
http://www.bbc.co.uk/news/world-middle-east-19058704