Hold and secure alert ends at Kingston high school

Police in Kingston have declared an all-clear after a city high school was placed on a hold and secure alert Thursday morning.
Police declared the alert at LaSalle Secondary School on Highway 15 at about 9 a.m. due to what they called an “external threat.”
Heavily armed officers, including the SWAT team, were seen on the school’s perimeter.
After about 20 minutes, police tweeted that “no further threat exists” and lifted the hold and secure.
Police were to remain in