Rescuers resumed searching for victims on Monday after a demolition crew set off a string of explosives that brought down the remaining structures of the collapsed condo in Surfside, Florida, on Sunday night. Explosives were set off at 10:30 p.m. ET at Champlain Towers South in a controlled operation that officials say will aid search and rescue efforts for the remaining 121 victims still missing following the June 24 collapse. Officials say the detonation was also to manage risks of the damaged building falling on its own as Tropical Storm Elsa approaches. “We want to make sure that we control which way the building falls, and not a hurricane,” Mayor Charles Burkett of Surfside told reporters before the demolition. As of Monday morning, 27 people are known to have died. No one has yet to be found alive from the disaster as rescue efforts continue. Burkett also told CBS News that …