At least 25 people were killed in car bomb and mortar attacks in mainly Shi'ite Muslim districts of Baghdad on Tuesday, in the al-Horreyya district 35 wounded................There was also a mortar attack in the Sab al-Bour neighborhood of northern Baghdad that killed five people and wounded 15.
This is an ISIS tactic...to scare the locals before they take a community....they send in car bombs and suicide killers to get people to go indoors...there will be more until the people are too afraid to be on the streets...so this tactic clears out the streets before they charge in.