Car bomb in Baghdad's Sadr City kills 16, sources say

A car bomb in Baghdad's Sadr City neighbourhood killed at least 16 people on Wednesday and wounded more than 40 others, Iraqi police and hospital sources said.

There was no immediate claim of responsibility for the attack in a bustling market during the morning rush, but Islamic State militants battling government troops in the country's north and west regularly attack Shi'ite civilian areas in the capital.

The sources said they expected the death toll to rise.