The Russian Bear-F plane "repeatedly approached" the HMS Prince of Wales aircraft carrier, flying "unnecessarily close" and dropping sonar devices, according to the U.K.'s defense ministry.

The U.K. has sent one of its two aircraft carriers to support rapid deployment teams.

British planes intercepted the two Russian jets as they barrelled towards the HMS Prince of Wales aircraft carrier last week, the Ministry of Defence has confirmed

The Ministry of Defence confirmed the operation

"This activity was unsafe and unprofessional," a U.K. Defense Ministry spokesperson said.