At least seven people were killed, and four more were wounded in the latest violence:
Gunmen stormed the home of a policeman near Khalis, killing him, his wife, and his son. Another son was wounded.
A civilian was killed after passing through a Samarra checkpoint. An investigation is under way.
Three militants were killed during an operation in the Hamrin Mountains.
A grenade attack in Sadr City wounded three people.
