Details are sketchy but from the breaking news accounts, and updates, one or more suspects entered Sikh Temple in Oak Creek after 10am on Sunday and opened fire.
At least four people were shot just after 10 a.m. Sunday at the Sikh Temple in Oak Creek, and a police SWAT team entered the building before noon and brought uninjured people out of the building at 7512 S. Howell Ave.
Around noon, they started removing injured people from the temple's prayer room.
SWAT team members were still sweeping the building about 1 p.m. and an explosion was heard from the building at that time.
The first officer on the scene encountered an active shooter and exchanged fire with him, according to Greenfield Police Chief Bradley Wentlandt who briefed media on the scene.
The shooter went down and the officer was hit multiple times, but is expected to survive, said Wentlandt, who is acting as police spokesman for the incident.
Among those who were shot was the president of the temple, Satwant Kaleka, who was taken to a hospital.
Deepinder Dhaliwal said Kaleka, his brother in law, was shot in the back, but has now been taken to a hospital in St. Francis.
Dhaliwal said his sister, the president's wife, called him while hiding inside the building with a few other women.
Dick Katschke, a spokesman for the Medical College of Wisconsin, said three adult males were being treated at Froedtert Hospital in Wauwatosa. One of the three was undergoing surgery in the intensive care ward. Another is in an operating room. And the third is being treated in the emergency room, Katschke said.
All three were being treated for gunshot wounds. All are in critical condition, according to Froedtert.
According to an update over at OakCreek Patch, four have died.
[Update] TMJ4 reports the total deaths as 7 according tot heir latest update.
Oak Creek, Wis. Police said that at least seven people are dead, including a shooter, during a massacre at a Sikh temple on Sunday.
A police officer was also shot and was in surgery at Froedtert Hospital, according to police spokesman Bradley Wentlandt. Two others were also being treated at Froedtert, and were in critical condition according to initial reports.
They said they were preparing for more victims in a "mass casualty incident."
One witness told Newsradio 620 WTMJ's Dan O'Donnell that at least one, possibly four gunmen were hiding inside the temple after they started shooting.
"They went to church not knowing they might die today," said a woman who identified herself as the niece of the temple's president in an interview with O'Donnell.
More at ABC News.
Chicago Tribune is also reporting 7 dead. No word on how many were injured in total as of yet.
Story is developing.....