A Yemeni security official says a suicide bomber has detonated his explosives outside a police academy in the capital Sanaa, killing and wounding at least 10 people.
The official said the attacker threw himself into a crowd of cadets leaving the academy on Wednesday after class. Ambulances could be seen rushing to the site.
He spoke on condition of anonymity because of regulations.
Yemen's military is on the offensive against the radical al-Qaida group's Yemen branch, considered the network's most dangerous offshoot. It has recently retaken several al-Qaida-held towns in the south.
The network has struck back with deadly suicide attacks, including a May 21 bombing at a parade ground in Sanaa that killed 96 Yemeni soldiers.