Ukrainian President Volodymyr Zelenskyy is looking on from the sidelines as NATO leaders meet to agree a significant boost in defense spending that is spurred by Russian aggression.

NATO Secretary General Mark Rutte insists Ukraine will remain a vital topic at an alliance summit this week despite President Volodymyr Zelenskyy’s absence from a leaders’ meeting aiming to seal an ag

The two-day summit has been overshadowed by Trump's decision to order the bombing of nuclear installations in Iran. In 2003, the U.S.-led war on Iraq deeply divided NATO, as France and Germany led opposition to the attack, while Britain and Spain joined the coalition.

U.S. President Donald Trump is meeting with world leaders today in the Hague for the NATO summit, where discussions on trade, the war in Ukraine and defense spending are all expected to be on the agenda.