just itself cannot be the end all be all solution. >> reporter: lindsay janice, abc news, lee own ya,sey. >> that is going to do it for this edition of abdz schaech news at 4. i'm ama daetz. abc 7 news at 5 begins right now with kristen and dan. >>> teaming up to fight a growing problem the shooting spree that has five bay area mayors saying enough is enough. >>> the train tragedy that killed a mother and daughter are the diagonal tracks part of the problem. >> you're good to keep going unless somebody does something about this. >>> a huge fire reduces a strip mall to rubble. sabt clara business owners wonder what they're going to do now. >> all their hard work is up in smoke. >>> also tonight, why bay area scientists say we're heading towards the next major mass extinction period right now. >> announcer: live from the kgo-tv broadcast center, this is abc 7 news. >>> new safety questions tonight about the deadly train accident that killed a mother and her toddler yesterday in san leandro. good evening, i'm dan ashley. >> i'm kristen sze. thanks for joining us some are wondering whethe