MOSUL, Iraq, March 21 (Reuters) - A suicide bomber killed three and wounded 20 on Wednesday when he blew his truck up at the headquarters of a Kurdish party in the northern city of Mosul, police said. Witnesses said the bomber drove his truck into the headquarters of the Patriotic Union of Kurdistan (PUK), led by the Kurdish leader Masoud Barazani, as Kurds were celebrating the spring festival of Nawruz.
