BEIJING - Three separate bus explosions killed at least three people and injured 14 in the southwestern Chinese city of Kunming on Monday, media said, amid a security clampdown ahead of next month's Beijing Olympics. The causes were not immediately clear, but the blasts came within a matter of hours of each other in the capital of Yunnan province and less than three weeks before the Beijing Games, which China has warned could be a target of terrorist attacks. An explosion on one bus happened at the Panjiawan stop at 7.10 a.m. and the second blast was nearby, the official...
