NATO summit begins: Who is attending and what is at stake?

NATO leaders are meeting in Ankara, Turkiye on Tuesday and Wednesday.

The summit gets underway as US President Donald Trump renews pressure on member states over defence spending. European nations are expected to respond with billions of dollars in new military contracts.

At the NATO summit last year, members agreed to increase their target to 5 percent of GDP: 3.5 percent on military spen...