Suicide bomber kills 7 at police HQ in Iraq's Tikrit

Suicide bomber kills 7 at police HQ in Iraq's Tikrit - FRANCE 24:

"Most of the casualties in the city 160 kilometres (100 miles) north of Baghdad were police, the sources added.
The bombing comes ahead of provincial elections scheduled for April 20, due to be held in 12 of Iraq's 18 provinces, the country's first polls since a parliamentary vote in March 2010."