Silver Spring apartment explosion under investigation; three buildings called ‘unsafe’ by firefighters

Public safety officials on Friday continued to investigate what caused a massive explosion and fire that leveled a Silver Spring-area apartment building and left 10 people injured. Firefighter crews stayed overnight at the Friendly Garden Apartments complex in the 2400 block of Lyttonsville Road, according to Pete Piringer, a spokesman for the Montgomery County Fire Department. He said three buildings that had 40 units with roughly 100 people living in them were deemed “unsafe.”