Gunmen ambush police in Northern Ireland, three arrested

Gunmen ambushed and shot at police in Northern Ireland overnight on Saturday. Police say three people have been arrested in connection with the ambush. No police were hurt in the incident in which officers returned fire.

In a separate attack, a car laden with explosives was driven through the security barrier at the headquarters of the Northern Ireland Policing Board in Belfast. It partially exploded, setting the car on fire, but no one was hurt.

Gunmen ambushed and shot at police in Northern Ireland overnight on Saturday.  Police say three people have been arrested in connection with the ambush.