Iraqi troops have detained 46 suspected militants and killed five others in a new operation in eastern Diyala, the army said Saturday. Iraqi Prime Minister Nouri al-Maliki's office, meanwhile, confirmed that he had received an invitation from his Turkish counterpart to visit the country to discuss Turkey's demand that Baghdad crack down on guerrillas of the Kurdistan Workers Party, or PKK, in northern Iraq but no date has been set. «I think that the date will be set soon,» government spokesman Ali al-Dabbagh was quoted as saying by the Associated Press. In violence Saturday, a bomb left on a minibus also exploded shortly after noon in Baladiyat in eastern Baghdad, killing at least five Iraqis and wounding 11, police said. A mortar attack also struck the eastern outskirts of Baghdad, killing two people and wounding four, another officer said.