300 residents of North Miami high-rise are EVACUATED after it's revealed engineer warned in JANUARY that it is 'structurally and electrically unsafe' as Miami Dade mayor orders wreckage of doomed Surfside condo demolished Residents of a second building, Crestview Towers, were told to leave immediately after engineers found serious concrete and electrical problems The move was considered urgent due to the approach of Hurricane Isla, which is forecast to hit Florida as early as Monday Building's owners had not yet begun a mandatory safety recertification process required 40 years after it was built Evacuation comes as municipal officials in South Florida and statewide are scrutinizing older high-rises in the wake of last week's collapse