Story highlights One of the market attacks kills 11 people; the other kills 5

The attacks happen as anti-ISIS forces advance in the Mosul area

Irbil, Iraq (CNN) ISIS has claimed responsibility for two suicide bombings at crowded Baghdad markets on Sunday, killing 16 people.

The attacks happened the same day anti-ISIS forces advanced on the terror group's stronghold in Mosul.

The first blast happened when a driver blew up his explosives-laden vehicle at the Alwat-Jamila market in eastern Baghdad's Sadr City. At least 11 people were killed and 25 were wounded, police said.

In the second attack, a suicide bomber wearing an explosive vest blew himself up at a busy market in the eastern Baghdad neighborhood of al-Baladiyat, police said. At least five people were killed, and 12 were wounded.

ISIS' media wing, Amaq, claimed responsibility for both explosions in statements posted on Twitter. The statements said the bombings targeted Shiites.

Read More