A search is underway for a Prince George man police consider dangerous.  26 year old Chad Douglas Berry is accused in a series of sexual assaults and stabbings early Thursday morning.  A warrant has been issued for his arrest.  Berry is facing 17 charges including three charges of aggravated sexual assault, one charge of sexual assault with a weapon and a charge of sexual assault.   The incidents occurred in the 23 hundred block of Oak Street.  Two women were treated for stab wounds but are expected to recover.  If you spot Berry, RCMP say you should call 911 immediately.