KABUL, Afghanistan — A gunman assaulted a Sikh temple and community center in Kabul on Wednesday, killing at least 25 people and taking dozens of people hostage, Afghan officials said. The attack on the Sikh complex ended after six hours of fighting, according to Ahmad Tariq Arian, the interior ministry spokesman, who said that eight civilians were wounded and 80 hostages were rescued. More than 20 Sikh families were living at the center, which was attacked in the early morning hours.... The po