A Pakistani military cargo plane carrying relief goods for Afghanistan’s earthquake-affected people landed at the Khost airport on Saturday, officials said, as tents, food and medical supplies rolled into the mountainous region. Thousands were left homeless or injured by this week’s powerful earthquake in eastern Afghanistan, which state media said killed 1,150 people. An aftershock Friday took five more lives. Among the dead from Wednesday’s magnitude 6 quake are 121 children and that figure is expected to climb, said the UN children’s agency representative in Afghanistan. He said close to 70…