NAIROBI, Kenya (AP) _ Opposition lawmakers called Monday for a boycott of Parliament until the government puts an end to politically motivated attacks in central Kenya.

In a signed statement, 50 opposition legislators said that until the killings stopped, there would be no formal swearing in of members of Parliament or an election for speaker and deputy speaker.

Kenya's eighth Parliament was scheduled to open Tuesday. It was not known how the opposition members planned to stop the procedures, although they did say their actions would be peaceful.

In the past three weeks, at least 100 people have been killed in what diplomats, researchers, politicians and other observers say is politically motivated violence aimed at members of the Kikuyu tribe, Kenya's largest.