after 3:00 a.m. this morning the fire started 390 core bet and jumped to 1370 clayton next door both buildings have two flats, now the fire chief who was here filling in for a deputy chief said arson investigators are on the scene, typical for a two alarm fire and looking to see if there is any link to last week s suspicious fires in the castro. certainly because it is in close proximity to intentionally set fires last week we are taking a thorough look at things we have the arson unit, combined fire department, police department unit on scene the light of day will help us as we try and determine the cause and origins of the fire but yes, we are concerned trying to see if there is a link to the fires from last week. there were no injuries reported in this fire, a couple in the second home that caught fire said that he and his 8 month pregnant wife got out when police on patrol saw the flames very early this morning and pounded on their door. we just saw the father to be a