At least three deadly car bombs exploded Tuesday in and around Baghdad, including one that killed at least 18 people and wounded 43 more, police officials said.
That attack occurred in a busy commercial area of New Baghdad, a neighborhood in the Iraqi capital that is home mostly to Shiite Muslims.
Another car bomb struck a security checkpoint in al-Tarmiya, about 35 miles (55 kilometers) north of Baghdad, killing four security officers and injuring 20 more people.
There was also a similar attack in the southeastern Baghdad neighborhood of al-Zafaraniya that left two dead and nine others wounded, according to police.
It was not immediately clear if the attacks were coordinated or what group was responsible.
ISIS has been behind much of the violence around Iraq in recent years, taking over vast swaths of the country and neighboring Syria. But not all attacks can be pinned on that militant group — especially in the capital, where attacks targeting Shiite or Sunni Muslims have happened for years.