U.K. arrests 3 Bulgarians suspected of spying for Russia

Charges follow a string of international arrests of Russians posing as ordinary citizens across Western nations

UK’s internal spy agency MI5’s headquarters at Thames House, London (Image: Wikipedia)

LONDON—British police have arrested five people, including at least three Bulgarian nationals, believed to have been living undercover in the U.K. while working for Russian intelligence, the latest in a series of arrests across Western countries of alleged Russian agen…