BBC
The corporation has said it "accepts" Ofcom's decision, which relates to a BBC News broadcast last month.
The journalist revealed that it took eight hours to travel just two miles to the crossing.
Foreign media targeted by Kremlin’s crackdown on coverage of war in Ukraine.
"And the Oscar goes to...."
Two World Service shortwave radio frequencies, which can be received in Kyiv and parts of Russia, set up for people disconnected by Putin.
BBC correspondent Jon Sopel has also quit the broadcaster alongside the Newsnight presenter.
Some viewers complained the world No.1 tennis player was given a platform to air his views about the coronavirus vaccine.
The Oscar-winning star has insisted the BBC "has to be protected".
"While no subject is off limits we appreciate that some jokes may resonate differently for those with personal experience of a particular situation.”
The exchange included a withering glance at the camera, a discreet sip of water and a philosophy degree.
About BBC
The BBC (British Broadcasting Corporation) is a British public service broadcasting organisation. It was founded in 1922, and in 1936 launched the world's first regular high definition television service. It operates under Royal Charter in a licence agreement with the UK government, and receives money from the licence fee which is supplemented by the commercial activities of BBC Worldwide. The BBC operates several television channels, including the flagship BBC One and Two channels, as well as radio stations serving the whole of the UK and its different regions.