. >> reporter: the sound of gunfire coming from his neighbor's house startled reggie nichols. his home surveillance video shows what happened next. >> now the cops are coming. >> reporter: the camera captures nichols checking the street to see what was happening. >> he had a homemade mask, like out of a t-shirt. the eyes and nose and mouth cut out. >> reporter: nichols saw a man lying on the street who had been shot. and he smelled gas fumes. >> one of the shots hit his gas tank. you could smell it, you could hear it. >> reporter: his neighbors then came over and explained what happened. they called police. >> they made him open the safe. so after he opened the safe, i guess they weren't ready for him. >> reporter: brentwood police say two suspects came onto the neighbor's property to rob him. but the man was able to get his gun, firing two shots, killing both suspects. investigators say one suspect had a gun, too. >> the victim did fire his weapon. in self-defense. and there have been no formal charges filed at this point. >> i think he did what he had to do. he was pretty sh

. >> reporter: the sound of gunfire coming from his neighbor's house startled reggie nichols. his home surveillance video shows what happened next. >> now the cops are coming. >> reporter: the camera captures nichols checking the street to see what was happening. >> he had a homemade mask, like out of a t-shirt. the eyes and nose and mouth cut out. >> reporter: nichols saw a man lying on the street who had been shot. and he smelled gas fumes. >> one of the shots hit his gas tank. you could smell it, you could hear it. >> reporter: his neighbors then came over and explained what happened. they called police. >> they made him open the safe. so after he opened the safe, i guess they weren't ready for him. >> reporter: brentwood police say two suspects came onto the neighbor's property to rob him. but the man was able to get his gun, firing two shots, killing both suspects. investigators say one suspect had a gun, too. >> the victim did fire his weapon. in self-defense. and there have been no formal charges filed at this point. >> i think he did what he had to do. was pretty shook

reggie nickholes shows us. what started out as a home invasion robbery ended with two men dead shot by the homeowner. >> who adult males in his 30s. >> nichols says one of those men died in his front yard. >> he had a mask on his face. >> reporter: the suspected robbers had a gun when attempting to break in. the shooting appears to be a case of self defense. >> doesn't appear to be criminal neg glijens. >> brentwood is a safe community. these incidents are few and far between. >> reporter: nihe agrees. police are investigating this case and are not yet releasing the names of the suspect. reporting live from brentwood. >> a police chase forced a san bruno school on going into lock down. school isn't in session, but the faculty was there. some staff as well as day care class. police officers did catch one suspect. but a second person remains on the run. >>> we are turning now to micro climate weather alert. if you can't handle the heat, head to the coast. the shores of san francisco, half moon bay, and santa cruz were the coolest places to be. cristie? >> reporter: the fog is a welcome sight to the beach. we ran into people from places like co