LONDON, March 30. /TASS/. The West needs to increase the pressure of sanctions on Russia until its troops leave Ukraine, UK Prime Minister Boris Johnson told a parliamentary committee on Wednesday.

"I certainly don't think that you could expect the G7 to lift sanctions simply because there is being a ceasefire in Ukraine," he said. "Again, that goes straight into [Russian President Vladimir] Putin's playbook."

"In my view, we should continue to intensify sanctions with a rolling programme until every single one of his troops is out of Ukraine," Johnson went on to say in a speech broadcast by a parliamentary television.

Asked if he meant Crimea as well, Johnson repeated that all Russian troops should leave Ukraine.