A police spokesman in Iraq’s volatile Diyala province says three suicide bombings have killed at least 29 and wounded more than 40 people in the city of Baqouba.

Capt. Ghalib al-Karkhi says the bombings in the mixed Shiite-Sunni city, which is the province’s capital, targeted a local government housing office next to an Iraqi Army facility, the headquarters of the provincial council and the city’s emergency hospital.

The blasts came in quick succession on Wednesday morning as Iraq was on high alert ahead of elections this Sunday.

U.S. and Iraqi officials have warned repeatedly that insurgents were expected to launch attacks in an attempt to disrupt the crucial vote.

Baqouba police later safely detonated a fourth car bomb found near the hospital.

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