(KRON) -- A man faces gun-related charges after a Hayward police K-9 located a handgun hidden inside a home over the weekend, the Hayward Police Department announced Wednesday. Police responded to a residence in Hayward after a man allegedly entered his estranged family’s home and assaulted an elderly relative, according to authorities. At the time of the alleged assault, the suspect was armed with a handgun. Bay Area rescue orgs take in displaced dogs from L.A. wildfires After the man was detained, officers learned that he had hidden the gun somewhere inside the house where the family and children live. The family expressed a “strong desire” to have the weapon located and removed, Hayward PD said. Officer Higgins and K-9 Arwin responded to conduct a search of the residence. K-9 Arwin was able to quickly find the hidden gun and alert his handler. K-9 Arwin (Hayward Police Department)(Hayward Police Department) The suspect was arrested and charged with gun-related offenses and criminal threats, police said.