U.S. markets closed

UK navy shadows Russian warships after "high levels of activity"

LONDON, March 26 (Reuters) - Britain's navy said on Thursday it had shadowed seven Russian warships after detecting high levels of activity by Russian vessels off its coastline.

"The Navy has completed a concentrated operation to shadow the Russian warships after unusually high levels of activity in the English Channel and North Sea," the Royal Navy said.

(Writing by William Schomberg; editing by Michael Holden)