Ukraine destroyed columns of waiting Russian troops as soon as it was allowed to strike across the border, commander says

• Ukraine destroyed columns of waiting Russian soldiers with HIMARS, a Ukrainian commander said.
• He said Ukraine targeted them as soon as it got permission to use allied weapons across the border.
• Military experts say Ukraine's ability to use Western-supplied weapons in Russia is aiding its fightback.

Ukraine has been able to destroy columns of Russian soldiers after it got permission from its allies to use their weapons to strike military targets across the border into Russia, a Ukrainian commander has said.