Kabul, Oct 01 (ANI): Two Taliban suicide bombers attacked the Afghan capital on Wednesday, killing at least seven people and wounding more than 15, government officials said, a day after the new government and the United States signed a long-delayed security agreement. Afghanistan's interior ministry said the targets of were an army bus and a vehicle carrying Afghan army personnel. The attack in the west of the city, close to Kabul university, was the more serious of the two. It destroyed an army bus and shattered shop windows, killing at least seven, the defence ministry said. Several people were injured in the attack in the eastern part of Kabul.