The Correctional Service Canada says an inmate was brought to an outside hospital after being assaulted at a maximum-security prison in Agassiz.
It says in a news release that the attack happened last Friday.
The service says the R-C-M-P and authorities from the Kent Institution are investigating the incident.
It says the assailants have been identified and no other inmates or staff were injured.
Polish authorities say four people have been charged in an alleged plan to send explosives via courier service to Canada and the United States. The RCMP says it is aware of the arrests, but declined further comment to preserve the integrity of the investigation.
A man is dead after a hit-and-run in Nanaimo last night. RCMP say bystanders and first responders tried to save the man, but he was pronounced dead at the scene.
A man charged in the fatal stabbing of an 18-year-old in the parking lot of a Metro Vancouver high school two years ago has pleaded guilty to manslaughter. Homicide investigators say the man, who cannot be identified because he was 17 at the time of the attack, pleaded guilty on Wednesday in provincial court in Surrey.
Workers in Metro Vancouver have chiselled away about 50 tonnes of so-called "fatbergs" that have clogged the sewer system and prompted a reminder to residents not to dump grease down the drain.
Police on eastern Vancouver Island say they have found the body of a 26-year-old man in the waters of Cowichan Bay. R-C-M-P say the man was last seen Monday and reported missing on Wednesday.
Police in New Westminster say a 45-year-old man has been charged with one count of possession of child pornography. They say in a statement that the man was arrested last July and he's since been released from custody with several "strict" court-ordered conditions.