(KUNA) -- Iraqi police said that 11 people were killed Tuesday when a suicide bomber detonated his explosive belt inside a cafe in the province of Diyala, northeast of the Iraqi capital Baghdad. A source in the Iraqi police said in a statement to Kuwait News Agency (KUNA) said that a suicide bomber wearing a belt of explosives blew himself up inside a popular cafe in the Al-Abbara area north of the city of Baquba. The source added that the explosion resulted in the death of 11 people and injury of 28 others. On a related development, Diyala police said today that its elements arrested 10 al-Qaeda-inspired terrorists in the area of Al-Nada north of Diyala.