One man was airlifted to an out of town hospital in serious condition following a stabbing inside a home in Niagara Falls.
It happened just after 3 p.m. yesterday afternoon at a residence on Maple Street.
A second man was arrested after an altercation outside the home with police.
Video taken by a neighbour shows several officers down on the ground attempting to subdue the suspect.
There's word he was also taken to hospital.