“We are actively monitoring the #Smithsburg mass shooting at this time, and our office is in contact with officials on the ground,” U.S. Rep. David Trone of Maryland said on Twitter.
“If you’re from the area, please stay away while law enforcement responds,” Trone said.
Matthew McConaughey calls for “responsible gun ownership” at the White House
Columbia Machine supplies concrete-making equipment to customers in more than 100 countries, according to its website.
Smithsburg is in northern Maryland, near the Pennsylvania state line.