At least 17 people were killed and 16 injured in separate attacks across Iraq on Sunday, dpa quoted police sources as saying. In Mosul, a gunman threw a bomb at a checkpoint in a central district of the northern city killing two civilians and two policemen. Five police officers were also injured. In the eastern part of Mosul, gunmen opened fire on two checkpoints, leaving three soldiers dead. Nearby, unidentified gunmen stormed a policeman's house, killing him and injuring his wife. The body of a woman was also discovered in the city's west, with signs of torture. Police said she had been killed early Sunday. In the centre of Baghdad, several coordinated blasts took place near Baghdad University, killing one civilian and injuring three others, the Aswat al Iraq news agency reported. A bomb attached to a car exploded in another part of the capital, killing three civilians and injuring four. Three police officers were also injured in an explosion near their vehicle while they were on patrol. At least one person was killed and three injured early Sunday after being hit by a rocket grenade on a main street in eastern Baghdad, according to police sources. In Hilla, some 100 kilometres from the capital, gunmen stormed a mosque during the Ramadan dawn prayers, and shot at worshippers randomly before running away. Three people died in the attack and one was injured.