6 UK soldiers missing in Afghanistan March 7, 2012 -- Updated 0934 GMT (1734 HKT) The incident occurred Tuesday in Helmand province. The soldiers were patrolling the area when the attack occurred (CNN) -- Six U.K. soldiers were missing and believed to be dead after an explosion in southwest Afghanistan, the U.K. Ministry of Defence said Wednesday. "I have the tragic duty to report that six soldiers are missing, believed killed, during a security patrol," said Lt. Col. Gordon Mackenzie, a spokesman for a task force of soldiers in the province. No more details were given about the incident. The incident drew strong responses from some. "I utterly condemn those responsible for this incident who will ultimately fail to derail a mission that is protecting our national security at home and making real progress in Helmand Province, a testament to the bravery, commitment and professionalism of our Armed Forces," said Defence Secretary Philip Hammond.