Bomb causes casualties in Baghdad - police

BAGHDAD, May 14 (Reuters) A bomb caused several casualties in central Baghdad today, police said.

Initial reports were incomplete. One police source said four people were killed and five wounded in the blast, which struck a minibus near Beirut Square. Other police officers said the toll was still unclear.

Another police source said a roadside bomb appeared to have targeted a police patrol. Police vehicles were also damaged.

Reuters SI RS1211