A Calgary Police Service investigation into a Thursday morning home invasion in the northwest has led to charges against six people.

Early Thursday morning, police were called to a home in the 100 block of Citadel Peak Circle Northwest following reports armed men had gained entry to the residence.

The offenders allegedly tied up the two occupants and seriously assaulted a disabled man in a wheelchair. The suspects fled after removing several items from the home which housed a small marijuana grow-operation.