Easy to forget that suicide bombings were unheard of in Nigeria prior to last year.

JALINGO, Nigeria (AP) – A motorcycle-riding suicide bomber drove into a convoy carrying a top police official in northeast Nigeria on Monday, detonating his explosives and killing at least 10 people, rescue officials said.

The attack targeted police commissioner Mamman Sule who was being driven in a convoy toward his offices, near the governor’s office in Jalingo, the capital of Taraba state, said police spokesman Ibiang Mbaseki. The bomber missed injuring Sule, but the explosives caused massive damage at a roadside market and blew out the glass windows of the nearby state Ministry of Finance building, witnesses said.

The commissioner “was the prime target,” Mbaseki said.

Rescue officials collected 11 corpses after the attack, which left 26 injured, according to a report by the Nigerian Red Cross. The dead included the suicide bomber, the Red Cross report said.

Speaking to journalists after the attack, Sule said officers would immediately begin an investigation into the attack. He also said only three people died, though police and the military routinely offer lower casualty numbers to make attacks appear less serious than what they are.

No group immediately claimed responsibility for the attack. It comes after gunmen attacked Christian worship services Sunday at a university campus and a church in northern Nigeria, killing at least 21 people.