Reuters, Beirut :President Barack Obama has acknowledged that US intelligence underestimated the rise of Islamic State fighters in Iraq and Syria, where the head of an al Qaeda branch warned militants will attack the West in retaliation for US-led air strikes.Turkish tanks took up positions on the Syrian frontier, opposite a besieged border town where Islamic State shelling intesified and stray fire hit Turkish soil.US-led air strikes overnight hit a natural gas plant controlled by Islamic State fighters in eastern Syria, a monitoring body reported, part of an apparent campaign to disrupt one of the fighters’ main sources of income.The monitoring group, the Syrian Observatory for Human Rights, said planes also struck a grain silo in northern Syria killing civilians. This could not be immediately confirmed.
