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BBCSeven members of parliament belonging to Yemeni President Ali Abdullah Saleh's ruling GPC party have resigned.
They said the move was in protest at violence used to quell demonstrations calling for the president to quit.
At least one person was killed late on Tuesday in the capital Sanaa as supporters of President Saleh tried to break up a protest near the university.
Thousands of protesters have again rallied at a square near the university to call for the president to resign.
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http://www.bbc.co.uk/news/world-middle-east-12557617
Yemen could yet be one of the next countries with a change of leadership - complicated by regional separatist movements.