Baghdad, July 31 (DPA) At least 30 people were killed and 37 injured Friday in a series of attacks targeting five Shia mosques in Baghdad, Iraqi security sources said.

Police forces cordoned all the areas around the mosques in al-Shaab, al-Zaafaraniya, al-Kahira and al-Kamaliya districts.

Later, a fifth explosion took place near Diyala bridge in the city's south. The blasts took place right after the Friday prayers.

According to the Voices of Iraq news agency, a car bomb that went off near al-Shroufi mosque in the northern district of al-Shaab left 15 civilians killed and 40 wounded.

The agency quoted a source saying that 'the casualties are most likely to rise, owing to the powerful explosion and the serious wounds sustained by many victims'.

Earlier police sources said that two policemen were killed Friday by a bomb targeting their patrol in the northern Iraqi city of Mosul.