Two former colonels in Somalia's defunct military and a top police officer were killed in separate attacks in Mogadishu, raising fears of a new wave of assassinations in the lawless country, witnesses said on Sunday, according to Reuters. Eyewitnesses said Colonel Salad Ali Dhorre, a pilot in the former Somali air force, was shot dead in front of his house late on Saturday by an unidentified people. Another former colonel, Ali Haji Mohamed, was also shot dead inside his car at Galgalato area north of Mogadishu. The third victim, Colonel Mohamed Hassan Addaawe, a serving police officer was shot while travelling in a public mini bus, witnesses said. "Two armed men came in front of our house and found the colonel sitting outside, they shot him in the head and stomach," said Ahmed Ali Dhorre, the brother of the deceased. The shootings were the latest of about a dozen incidents involving security experts murdered by gunmen in the last several months in killings that have remained mysterious.