What is Ukraine's strategy after it invaded Russia's Kursk region?

Sky's military analyst Sean Bell reports on Ukraine's invasion into the Kursk region and analyses its military strategy in Russia.

To date, the UK has been content for Ukraine to use donated weapons as they see fit, provided they are used in accordance with international law, he says.

Ukrainian President Volodymyr Zelenskyy has praised the UK's "true leadership" in its support of Ukraine - but warned "the situation has slowed down recently" as it pushes into Russian territory.