Divya Delhi:   One person was killed after Ukraine conducted massive overnight drone attacks on Moscow on March 11. The Russian defence ministry said that 337 drone attacks were conducted of whom 91 were targeted to Russia’s capital, Moscow. The ministry said that the defense forces brought down a total of 337 Ukrainian drones, including 91 over Moscow and 126 over the Kursk region. In a Telegram post, Moscow city mayor, Sergei Sobyanin said it was the ‘largest’ drone attack on Moscow. The authorities said it was possibly the ‘largest’ drone attack on Russia that led to the cancellation of air travel and trains. The ‘largest’ attack came ahead of the crucial meeting between Ukrainian President Volodymyr Zelenskyy and US Secretary of State Marco Rubio in Saudi Arabia. Meanwhile, US President Donald Trump’s special envoy Steve Witkoff said that Ukrainian President Volodymyr Zelenskyy apologised to Trump in a letter after an explosive public argument during an Oval Office meeting, The Hill reported.“Zelenskyy sent a letter to the president. He apologized for that whole incident that happened in the Oval Office,” Witkoff said on Monday (local time), as per The Hill.“I think that it was an important step and there’s been a lot of discussion between our teams and the Ukrainians and the Europeans who are relevant to this discussion as well.”