NIAGARA FALLS – Niagara Regional Police arrested a 28-year-old St. Catharines man after an investigation into a serious assault in Niagara Falls over the weekend.

In the early morning hours on Sunday, a disturbance broke out at a bar on Montrose Road. During the disturbance, a male was struck with enough force to cause significant injuries to his face and had. Someone called 911 as a result, and the victim was tended to by Niagara Emergency Medical Services.

The altercation prompted a criminal investigation.

As a result, detectives identified and arrested a suspect.

Walter Eduardo Castillo has been charged with aggravated assault.

The matter is still under investigation, and police ask that anyone who may have witnessed the events leading up to the altercation to call Det.-Sgt. Matt Hodges at 905-688-4111.

Information can also be submitted anonymously using Crime Stoppers of Niagara. To leave a tip, contact Crime Stoppers via telephone at 1-800-222-8477 (TIPS); online at www.niagaratips.com or by text message. Tipsters can text 274637 (CRIMES) with the keyword ‘Niagara’ followed by the tip. Crime Stoppers guarantees anonymity and tips which lead to an arrest may be eligible for a cash reward of up to $2,000.