UPDATE: 12:10 p.m.
Two men are in hospital and two others have been arrested after a "violent incident" at a home in East Vancouver.
The VPD Emergency Response Team, negotiators, K9 officers and uniformed police contained the home.
"Two men were taken into custody and a number of witnesses have been transported to the police station for interviews," said police in a statement.
"The home and crime scene have been turned over to detectives as the investigation continues to determine what occurred."
ORIGINAL: 10:30 a.m.
A police incident is unfolding in East Vancouver.
Vancouver police say the prolonged incident involves a number of police resources, including the VPD Emergency Response Team and negotiators.
"Police have been at the home near East Georgia and Boundary Road since 9 a.m. after receiving reports of a fight, shots fired, and men with knives," police said in a statement. "Two people have been taken to hospital."
The home is surrounded and the area has been evacuated.