Iraqi officials said a suicide attacker has detonated an explosives-packed car at a funeral in a Shi'ite area of Baghdad, killing at least 20 people, the Associated Press reported.
Police said the attacker struck today in the Iraqi capital's Sadr City neighbourhood.
At least 40 people have been injured, police told the news agency.
The attack followed a suicide assault on a police headquarters and other insurgent attacks in northern Iraq earlier in the day that killed 11 members of the security forces.
More top news
Mostly dry overnight in the east, strong winds and showery rain affecting Scotland & Northern Ireland
A couple have got married for the second time after the bride forgot their first big day following a car crash.