York Regional Police are urgently appealing for potential additional victims following the arrest of a Newmarket man in connection with a severe sexual assault case. The investigation began after an alleged victim reported a disturbing incident to authorities earlier this week.
Details of the Assault
On Tuesday, March 10, 2026, police received a report from a woman who stated that she met a man at a bar in Newmarket on February 28. After going to his residence, she was sexually assaulted with a weapon, resulting in bodily harm. The swift response by law enforcement led to the identification and arrest of the suspect.
Charges and Suspect Information
Michael Micallef, a 40-year-old resident of Newmarket, has been charged with multiple offenses, including two counts of sexual assault with choking, one count of sexual assault with a weapon, one count of sexual assault causing bodily harm, one count of overcoming resistance by attempting to choke, and one count of assault. Police have released his photo to the public in an effort to encourage anyone with information to come forward.
Authorities are urging individuals who may have been victimized or have relevant details to contact York Regional Police at 1-866-876-5423, extension 7141, or to reach out to Crime Stoppers anonymously at 1-800-222-TIPS or through their website at 1800222tips.com.
Additional Criminal Cases in the Region
In a separate but equally concerning development, Niagara Regional Police have laid additional charges against a 50-year-old Toronto man involved in child exploitation. Joseph Mortillaro, who was already facing charges for luring a child via telecommunication and harassing communications, now faces counts of possession, making available, and creating child sexual abuse material. Detectives believe he used online usernames such as DadOfTwo, Mike, and micjoseph to commit these offenses.
Youth Incident in Hamilton
Meanwhile, Hamilton Police have arrested a 17-year-old male following an assault involving bear spray at Nora Frances Henderson Secondary School. The incident occurred on March 2, when a confrontation among youths escalated, leading to one individual discharging bear spray and striking another in the face. The victim managed to flee and receive assistance, with no serious injuries reported. The accused faces charges including assault with a weapon and possession of a prohibited weapon.
Police emphasize that this event highlights an ongoing issue with youth conflicts where bear spray is being utilized as a weapon. The investigation remains active as authorities work to identify two additional youths involved in the altercation.
Ongoing Investigations and Public Appeals
In other police matters, York Regional Police are investigating an attempted bank robbery in Markham that occurred on Monday. A suspect described as a male with a dark complexion, wearing distinctive clothing including a grey Puma hoodie and black track pants with red accents, fled empty-handed after an unsuccessful attempt. Authorities are seeking witnesses or dashcam footage from the area between 11:30 a.m. and 11:50 a.m. that day.
These cases underscore the continuous efforts by law enforcement across Ontario to address serious crimes and ensure community safety. Public cooperation is vital in these investigations, and police encourage anyone with information to reach out through the provided channels.
