Russia resumed mass drone attacks in Ukraine early on Sunday, after its self-declared three-day pause expired.

Three-day ceasefire in Ukraine that was unilaterally declared by Russian President Vladimir Putin last month was set to come into effect at 5 p.m. ET on Wednesday (midnight Moscow time), as Russia prepares to mark the anniversary of its World War II Victory Day on Friday.

Russia supports the implementation of a 30-day ceasefire in the Ukraine conflict, but only with due consideration of 'nuances' in the more than three-year-old war, Kremlin spokesman Dmitry Peskov was quoted as saying on Friday.

Ukrainian President Volodymyr Zelenskyy on Sunday challenged Russia’s President Vladimir Putin to meet him personally in Turkey on Thursday, the latest move in a weekend-long exchange of proposals from both sides on the next steps in the U.

Latvia's intelligence service has warned of a potential Russian attack on NATO as the US-led military alliance continues to monitor a major build-up of Kremlin forces as the Ukrainian war rages on

The weapon is made with a model aircraft engine available for approximately $16,000, according to the Ukrainian Main Intelligence Directorate.