Ukraine and Russia have escalated their shadow war of espionage, sabotage, and assassinations, with both countries claiming a growing list of captured agents, intercepted plots, and cross-border attacks.

Former CIA station chief in Moscow Dan Hoffman breaks down two ways the United States can respond to Russia's attacks on Ukraine on 'Fox Report.'

Ukraine’s security agency says it has tracked down and killed Russian agents who assassinated a Ukrainian intelligence officer during the week.The SBU said in a statement said the Russian agents were killed after resisting arrest.

Between January and June, the number of Russian drone and missile attacks exceeded 23,000, a roughly 605% increase compared to the same period last year.

National security analyst Rebeccah Heinrichs and former National Security Council Senior Director Mike Allen weigh in on a potential ceasefire in Gaza and the possibility of President Donald Trump imposing new sanctions on Russia.

Ukrainian officials say Russia has fired more than 700 attack and decoy drones at Ukraine overnight. That tops previous nightly barrages for the third time in two weeks.

In a statement, NATO said NATO Secretary General Mark Rutte will be in Washington on Monday and Tuesday and meet with President Trump and key administration officials.

Putin's army is reportedly just one to two kilometres from Kupyansk, which was liberated in September 2022 by Ukrainian forces during their counteroffensive.