explosion in KandaharA relatively heavy explosion rocked southern Kandahar province on Thursday evening. The incident took place at the entrance gate of Kandahar airport.

Dr. Syed Azim Hussaini chief of the Afghan national army hospital in Kandahar province said at least 10 people who were injured following the blast were taken to the hospital.

He said all those injured including an Afghan child were Afghan civilians.

In the meantime provincial security chief Gen. Abdul Razaq said the incident took place after a suicide bomber detonated epxlosives packed in a vehicle, killing at least two Afghan civilians and injuring 11 others.

Gen. Abdul Razaq further added at least 1 Afghan national army soldier and three NATO service members were injured following the blast.

The attack occurred after Defense Secretary Leon Panetta had left Kandahar, Airfield his press secretary said. Panetta is on a visit to Afghanistan and was to meet later in Kabul with President Hamid Karzai.

Panetta was at Kandahar Airfield for about three hours, receiving an update briefing on the region by U.S. Army Maj. Gen. Robert Abrams, the region’s top coalition commander. Panetta also spoke to about 350 U.S. troops and took a few questions from them before flying back to Kabul.

No group including the Taliban militants has so far claimed responsibility behind the incident.