European leaders have echoed the US president’s calls for stricter measures following several incursions into the alliance’s airspace. But former Nato officials tell Taz Ali that downing Russian aircraft would be complex

Donald Trump insisted that NATO nations should feel emboldened to shoot down Russian planes if they enter their countries' airspace.

The US president toughened his stance on Moscow and lauded President Zelensky in a wide-ranging speech that included climate change and criticism of the UN