BAGHDAD, May 22 (Xinhuanet) -- A senior Iraqi trade ministry official was shot dead in Baghdad on Sunday morning after he was leaving for work, police said.

    Ali Mousa Salman, a director general of the trade ministry, was killed by unidentified assailants in a driving-by shooting attackas he was driven to work in central Baghdad, the police said.  

    His driver was also killed and three other people wounded in the attack, the police added.

    More than 500 people have been killed in an upsurge in insurgent attacks against officials and security forces since a Shiite-dominated government was unveiled on April 28.  Enditem