A suspected suicide bomber has killed six people outside Pakistan's main air force maintenance facility. Police said the attack took place near the Kamra aeronautical complex, 60km (35 miles) from the capital, Islamabad. The bomber blew himself up when he was stopped at a checkpoint outside the complex. Among the dead were two security officials. The attack comes as the Pakistani army continues its drive against Taliban bases in South Waziristan. A wave of attacks on Pakistani cities has killed nearly 185 people during the month of October alone. "It was a suicide attack, which killed six people, including four...