A man surnamed Liu has been detained on suspicion of killing a policeman on Sunday with a self-made bomb in Boluo county, Guangdong province, local police said.

Huizhou police said in a statement on its micro blog that Liu stabbed two people in a local street at about 4:30 pm on Sunday.

When police arrived at the scene, Liu resisted the arrest and set off a self-made bomb, injuring five police officers.

A seriously wounded officer was declared dead after he was sent to hospital.

Police said that Liu had conflicts with the two persons he stabbed because of his adopted daughter.

Further investigations are ongoing.