President Volodymyr Zelensky on Sunday said "missiles will speak for themselves," following reports that U.S. President Joe Biden has authorized Ukraine to conduct strikes deeper into Russian territory.

On Sunday, Russia launched a drone and missile attack on Ukraine in what’s being seen as the largest barrage in recent months, officials said. Ukrainian President Volodymyr Zelensky posted on the social platform X that Russia used nearly 140 missiles of “various types” over the last week,

The attack came as fears are mounting about Moscow’s intentions to devastate Ukraine’s energy capacity before winter.