Late Thursday, two people, a man and a woman, were killed when a gunman threw a grenade on a house in Ras al-Jada district in western Mosul, the source said, adding that the blast left a woman and her her 13-year-old boy wounded.

Meanwhile, four civilians were wounded Friday when a rocket hit a house in the southern port city of Basra.

'The rocket was one of six Katyushas that targeted a military base of the Multi-National Force at the Basra International Airport,' a security source was quoted by the Voices of Iraq news agency as saying.

However, he said nothing about any damage from the other five rockets targeting the base, which is located 25 km northwest of the oil-rich city.