Wellington County OPP say three men and one youth were arrested during a break-in in progress at a medicinal marijuana grow operation in Erin, Ont., northwest of Brampton, on Thursday.
Police were called to the Health Canada-authorized grow operation on Side Road 17 in Erin at 12:08 p.m. on Thursday, for a report of a break-in in progress.
Charges laid indicate the suspects were carrying firearms and wearing some sort of disguise.
Three men ranging in age from 19 to 26 as well as a 16-year-old boy from Brampton were arrested, police said.
They each face seven charges including break and enter, disguise with intent, conspiracy, and firearms offences.
All four suspects appeared in a Guelph bail court on Friday.
Anyone with information about this incident is asked to contact police at 1-888-310-1122, or Crime Stoppers at 1-800-222-8477 (TIPS).