Baghdad, Sep 11 (Xinhua) At least 13 people were killed and seven wounded when a suicide bomber blew himself up in a bus near a recruitment centre in central Baghdad Monday.

"A suicide bomber wearing an explosive-packed belt blew himself up in a minibus at the al-Muthanna recruitment centre, killing 13 people and wounding seven," said an interior ministry official.

The al-Muthanna recruitment centre has been targeted by suicide bombers several times earlier.