alternate other station getting on to the bart tracks. and we have a problem for the ace train. ace train number one, 20-minute delay out of stockton because of some sort of signaling problems. these are unrelated issues, different sets of tracks but another problem for the trains. the rest of your systems are moving well and your drive through the area should be okay. we re looking at the peninsula and east bay with no major delays but over here in burlingame, there s a small delay because of a crash southbound highway 101 around broadway south of sfo. slowing through the lanes. sounds like two lanes are affected right now. back to you. thank you very much, mike. 5:01. preparing for the worst. tensions at uc berkeley expected to come to a head after ann coulter s speech is safety due to safety concerns. her speech called off yesterday, but the protests are still on. today in the bay s bob redell with what is expected. reporter: good morning, sam and laura. the univer
good morning. welcome to mornings on 2. it s thursday, february 23rd. in sunnyvale, firefighters have a mystery on their hands following an overnight house fire. they say there is no sign of the family of four who lives in the home. ktvu s christian kasdin joins us live. and when will firefighters be able to search inside the home? reporter: that is the question. they re just now starting that search. let s give you our first look inside that home now as the sun has come up. we ve been able to move closer to the home and you can see the extent of damage. you can get a sense of how much work there really is. and you can also see why they need those structural engineers to come in here to figure out whether or not it s safe to go inside. you can see that the inside of the home is completely burned out. the concern here that the family of four, the mother, father and two children, all unaccounted for. we have new video we shot in the last 15 minutes of the fire investigators s