TEMPLE CITY, Calif. (KABC) -- A woman was killed and a man was injured trying to save her from a suspect who attacked her with a wrench and samurai sword inside a Temple City home Wednesday.Authorities said around 12:05 p.m., a 44-year-old man walked into a home in the 6000 block of Temple City Boulevard. The suspect had a wrench and began beating a 40-year-old woman with it. He then found a samurai sword and attacked her.A male friend, who was in the home, saw what was going on and stepped in to help. The man was injured in the struggle, but was not stabbed.Authorities said there was also a 10-year-old boy inside the home. Authorities said he was unharmed, but did witness the murder. The suspect then fled the scene, authorities said.When paramedics arrived, the woman was pronounced dead at the scene. Nearly two hours later, Los Angeles County sheriff's detectives located the suspect, who they believe lives in the area. He surrendered to authorities and appeared to be under the influence.It was unclear if the man and victims knew each other. The investigation was ongoing.Anyone with more information was urged to call the L.A. County sheriff's homicide bureau at (323) 890-5500. Those wishing to remain anonymous may call Crime Stoppers at (800) 222-8477.