Canton, Pa. -- According to a Bradford County official, the Pennsylvania State Police have responded to an active incident in Canton. 

Reports are of a tactical unit at an undisclosed site. Reader reports of as many as 20 state police vehicles were spotted heading north on Rt. 15 earlier this morning. 

Police have not yet released an official statement.

The story is ongoing.

This story was compiled by an NCPA staff reporter from submitted news. To see a list of our editorial staff please visit our staff directory.