By Peter Apps, Political Risk Correspondent LONDON | Tue Aug 7, 2012 7:38am EDT (Reuters) - On Sunday, it was a hijacked Reuters twitter feed trying to create the impression of a rebel collapse in Aleppo. On Monday, it was another account purporting to be a Russian diplomat announcing the death in Damascus of Syrian President Bashar al-Assad. As the situation on the ground becomes ever more bloody, both sides in Syria are also waging what seems to be an intensifying conflict in cyberspace, often attempting to use misinformation and rumor to tilt the war in reality. On Friday, Reuters was forced to temporarily shut down its system for posting blogs on www.Reuters.com after the…