PESHAWAR, Rabi'II 23, 1438, January 21, 2017, SPA -- Authorities say a bomb exploded in a market in a northwestern tribal region in Pakistan that borders Afghanistan, killing at least 18 people and wounding 51, AP reported. Dr. Sabir Hussain at the Parachinar main hospital says 11 critically wounded people brought from the blast Saturday morning at a vegetable market died during treatment. He said there are still several people in serious condition who are being shifted to other hospitals for better care. Government official Shahid Khan says the explosion took place as the market was crowded with retailers buying fruits and vegetables from a wholesale shop. No group has claimed responsibility. --SPA 10:35 LOCAL TIME 07:35 GMT www.spa.gov.sa/w316620