Latest: 115 killed as 'Islamic State' targets busy shopping district

Update 4.54pm: The death toll from the car bomb attack claimed by the so-called 'Islamic State' group in central Baghdad has climbed to at least 115, Iraqi officials said.

Hospital and police officials said on Sunday that another 187 people were wounded in the overnight attack, and nearly a dozen people remain unaccounted for and feared dead.

A second bomb attack in eastern Baghdad early today killed five people and wounded 16.

Earlier:

Seventy eight people have been killed and 160 wounded in a car bombing carried out by the so-called 'Islamic State' group in the centre of Baghdad, Iraqi officials say.

In an online statement, 'IS' claimed responsibility for the morning attack, which struck a busy shopping district in the capital.

The statement could not be independently verified.

The bombing hit as families and young people were out on the streets of the Karada district after breaking their Ramadan fast.

A second bomb attack in eastern Baghdad killed five people and wounded 16.

The casualty figures were confirmed by police and hospital officials.

The attacks come after Iraqi forces retook the city of Fallujah from 'IS'.