Ukraine counter-offensive will be long and bloody, says US Gen Mark Milley

Ukraine's counter-offensive against Russia will be difficult and "very bloody", the US' highest-ranking military officer has said.

Gen Mark Milley said he was unsurprised that progress had been slower than predicted - but added that Ukraine was "advancing steadily".

"It goes a little slow, but that is part of the nature of war," he said.

It comes as Volodymyr Zelensky accused "some" Western partners of delaying promised training for Ukrainian pilots.

Several Western countries have pledged to train Kyiv's pilots on US-made F-16 fighter jets, but the Ukrainian president said some allies had been "dragging their feet" on the promise.

President Zelensky has previously acknowledged that the Ukrainian offensive was making slow progress.

Gen Milley, chairman of the Joint Chiefs of Staff, told an audience at the National Press Club in Washington on Friday that the counter-offensive was "advancing steadily, deliberately working its way through very difficult minefields... 500m a day, 1,000m a day, 2,000m a day, that kind of thing".

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