TWENTY-ONE people were killed on Sunday in landmine explosions and gun battles in the Hiran region of central Somalia. On Sunday, five escorts of a food convoy were killed and six wounded when their vehicle went over a landmine near El-Ali. After the convoy turned back, it was attacked again, according to an eyewitness, who said 10 people were killed in gun battle. In a separate incident in the same area, a landmine blew up a civilian transport vehicle killing at least six people, officials said.