Boris Pistorius is reported to have arrived for talks with the Ukrainian president

What we know on day 636 of the invasion

Reuters reports that Russia is waiting for the outcome of an investigation into the sabotage of the Nord Stream gas pipelines before making any request for compensation, the RIA state news agency cited a foreign ministry official as saying on Tuesday.

The pipelines under the Baltic Sea were damaged in explosions last year, and investigations have yet to establish who was responsible.