By Andrew Gray and Lili BayerBRUSSELS, July 3 (Reuters) - NATO leaders including U.S. President Donald Trump are set to affirm an "ironclad commitment" to collective defence under the alliance's Article 5 pact at a summit in Ankara next week, according to a text approved by NATO ambassadors on Friday and reviewed by Reuters.NATO members are also set to pledge €70 billion ($80 billion) in military assistance to Ukraine for 2026 and "at least equivalent levels" of support in 2027, according to the declaration, which still needs final approval from the leaders at the summit.

NATO leaders meet in Ankara to address tensions with Trump and reaffirm commitments to defense spending and European security.

By Andrew Gray and Lili BayerBRUSSELS, July 3 (Reuters) - NATO leaders including U.S. President Donald Trump are set to affirm an "ironclad commitment" to collective defence under…