Egyptian-born Al-Qaeda leader Ayman al-Zawahiri, one of the world's most wanted terrorists, is most likely hiding in Karachi under the protection of Pakistan's notorious spy agency Inter-Services Intelligence, a United States media report said. 'Pakistan's Inter-Services Intelligence agency has been protecting al-Zawahiri, a trained surgeon, since US forces evicted Al-Qaeda from Afghanistan in late 2001,' Newsweek said in a major investigative story claiming that its information is based on several authoritative sources. 'His most likely location today, they say: Karachi, the teeming port city of 26 million people on the Arabian Sea,' the weekly said. This is for the first...