michael huff, thank you so much, appreciate it. >> again, we don't know all the circumstances that led to the shooting. as we get new developments, we will bring them to you on air and streaming on cbs news bay area. we will have a live update at 5:00. >>> until san francisco, an explosion in e the it riblew chout the windows and se the garage door flying across the street. fire officials say four people home at the ry offi exe igatin >>an to send the national guard to fight the fentanyl crisis will start on monday. governor newsom announced the plan earlier this month after touring the tenderloin. he said the additional boots on the ground who criminalize with substance abuse but focusing on the supply that is fueling the fentanyl crisis. the state will bolster the efforts that have been turning for the better as of late. >> it does take a village. it does take partnership. and now that partnership is expanding. it is expanding on a statewide level. this it is something different and i am looking forward to a real change in our city. >> the mayor said police seized 11 pounds of fentan