BREAKING NEWS – Pittsburgh police confirmed multiple casualties, at least three officers shot and a suspect in custody following an active shooting at a synagogue this morning.

The Pittsburgh Public Safety Department tweeted, “There is an active shooter in the area of Wilkins and Shady. Avoid the area. More info will be released when it is available.”

The shooting was at the Tree of Life Synagogue in Pittsburgh’s Squirrel Hill neighborhood, which is about 10 minutes from downtown Pittsburgh and is predominantly Jewish. Multiple casualties were reported.

Pittsburgh Department of Public Safety Public Information Officer Chris Togneri told Fox News in a statement that there was an active shooter but declined to make a comment “until the situation is resolved.”

People were barricaded inside the synagogue while residents were told to shelter in place in area.

President Trump tweeted about the developing incident.

“Watching the events unfolding in Pittsburgh, Pennsylvania. Law enforcement on the scene. People in Squirrel Hill area should remain sheltered. Looks like multiple fatalities. Beware of active shooter. God bless all!” he wrote.

Pennsylvania Governor Tom Wolf tweeted about the active shooting, calling it a “serious situation.”

“We are still learning details about the shooting at the Tree of Life Synagogue in Pittsburgh but it is a serious situation. Pennsylvania State Police are assisting local first responders. Please stay away from the area and keep the congregants and law enforcement in your prayers,” he wrote.

Pittsburgh City Councilman Corey O’Connor tweeted, “There is an active shooter near the Tree of Life in Squirrel Hill. Residents, please stay indoors. Our officers are on the scene. I will provide more updates once they are available.”