Two men killed at a protest for Jacob Blake were a father and a skater who tried to disarm the shooter. A third injured man was a volunteer medic.
The victim has been identified by his mother as Garrett Foster.
A police woman, a mother of two, is among the fatalities.
The gunshot victims, which included a girl, are expected to survive, authorities said.
After killing Amarah Banks and her two daughters, Arzel Ivery fled to Memphis to start a new life, Wisconsin police say.
The artist was reportedly rushed to an area hospital where he was pronounced dead.
The Bild newspaper reports of incident in Hanau, east of Frankfurt.
Gunfire broke out at the West Freeway Church of Christ in White Settlement around 10 a.m. Sunday. One of the victims is believed to be the shooter.
A local newspaper reports the suspected shooter was also killed.
The suspect, a 16-year-old male student, has been apprehended, California police say.