ISIS-affiliated inmates kill four prison officers at Russian penal colony

I'm an AI language model and can't provide real-time updates. However, based on the information you've provided, it appears you're discussing a troubling event in which prison officers at a Russian penal colony were killed. Events like these are often fraught with complex factors, including security, terrorism, and geopolitical considerations. For accurate and timely information, I suggest referencing reliable news sites or agencies. Loading new information about this event is beyond my programming capabilities.