Syrian rebels improvised Mortar bombs kill 300 civilians.

     Syrian rebels using improvised mortar bombs made of cooking gas canisters killef 311 civilians between July and December this year, a Monitoring group said on Friday. aTwo-third of the deaths, were in Aleppo, 42 chidren and 25 women were among the dead in Aleppo. Syria Observatory for Human Rights said 700 people had also been wounded during that time. The canisters are packed with explosives fitted with a guide fin and fired by large cannons.