Police officers take cover behind SUV during hostage standoff in Los Angeles

A gunman who got into a deadly shootout with police , then took dozens of people hostage at a Trader Joe's supermarket in Los Angeles' Silver Lake neighborhood on July 21 has been arrested on suspicion of murder , authorities said on July 22 , CBS News reported.In the video , police officers can be seen taking cover behind SUV during the hostage standoff on July 21.