LONDON — Benson’s tail wagged lazily as he weaved through the crowds in London’s St. Pancras railway station.
“Good morning ladies and gents, police dog working,” said the pooch’s handler, Graham Rowlstone of the British Transport Police, as the pair strode beneath a soaring glass-and-blue-steel ceiling. “Just making sure it’s nice and safe for you.”
Some travelers and commuters smiled, laughed and said hello to the black lab. A few petted him. But mostly the pair slipped easily through the concourse.
Suddenly, Benson cocked his ears, lifted his tail and picked up the pace. He trotted in front of a nondescript man in a dark blue fleece, sat down and looked up expectantly.Read story on NBCNews.com >