Hudson Institute senior fellow and foreign policy expert Rebeccah Heinrichs warned the ball is 'in Russia's court' for ceasefire talks with Ukraine and discussed the significance of Iran, China and Russia meeting for nuclear talks.

Ukraine yesterday agreed to a temporary ceasefire with Russia after negotiators met in Saudi Arabia. The solution to this war and the way to end it and to achieve the president's objective of peace is to negotiate. But before you can negotiate, you have to stop shooting at each other.

Kyiv has called on Moscow to respond to the proposed ceasefire, which it has agreed to, but the Kremlin says it will wait to be briefed by US officials.

Moscow’s military advances on the town of Sudzha may deprive Kyiv of a bargaining chip in peace talks. Russian forces have begun an assault on the town of Sudzha, the main population center in the Kursk region that was captured by Ukraine last year,