Security forces are searching Karachi for gunmen following an attack on a training facility near the airport.<br/> <br />A group of gunmen on motorbikes opened fire on the academy run by the Airports Security Force (ASF).<br/> <br />Pakistan's Taliban has claimed responsibility. It's their second attack in the area since an all night siege on the country's busiest airport which left 30 people dead.<br/> <br />So far, no casualties have been reported from the academy attack.<br/> <br />The news prompted Prime Minister Nawaz Sharif to call for a review of the security situation in the country.<br/> <br />Earlier in the day, his forces were ordered to bomb Taliban strongholds along the border.
