The Islamic State staged a suicide attack on Iraqi soldiers on Sunday to halt their advance on a key northern city, using a military vehicle to lull the government troops into a false sense of security, officers said.

Iraqi forces are looking to retake Baiji, which is adjacent to the country’s largest oil refinery and is controlled by Islamic state.

The operation was launched in the early hours of Saturday, but was snarled when an armored vehicle blew up near the security forces’ convoy in a village some 20 km (15 miles) south of Baiji, the officers said […]