Donald Trump and Theresa May pose with other world leaders for traditional ‘family’ photographs at Nato’s Brussels headquarters. From heads of state and government who stand to attention while posing for a traditional ‘family’ photograph during the Nato summit in Brussels to Donald Trump and the US secretary of state, Mike Pompeo, during a breakfast meeting at the US chief of mission’s residence in Brussels before the start of the summit, these pictures will give you the information you need.

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Standing room only: heads of state and government stand to attention while posing for a traditional ‘family’ photograph during the Nato summit in Brussels

Photograph: Ian Langsdon/EPA

The Nato secretary general, Jens Stoltenberg, looks alarmed by Germany’s chancellor, Angela Merkel. The summit got off to a shaky start when Donald Trump criticised Germany over links to Russia

Photograph: Reinhard Krause/Reuters

Where’s your 2%? Trump gestures to Stoltenberg (left) and Belgium’s prime minister, Charles Michel (centre), as Theresa May (right) joins in the fun on day one of the summit

Photograph: Reinhard Krause/Reuters

Going his own way? Donald Trump looks up at a helicopter flypast as Merkel chats to Michel and Stoltenberg

Photograph: Markus Schreiber/AP

Stoltenberg continues his meet and greet role by welcoming Theresa May

Photograph: Paul Hanna/Reuters

Things are looking up: leaders gather for the flypast

Photograph: Kevin Lamarque/Reuters

Trump lets his feelings be known to May during the photo session

Photograph: Kevin Lamarque/Reuters

Trump gathers his poise as he waits for the official photographs with May and other leaders

Photograph: Kevin Lamarque/Reuters

Moment of reflection: Donald Trump and the US secretary of state, Mike Pompeo, during a breakfast meeting at the US chief of mission’s residence in Brussels before the start of the summit

Photograph: Brendan Smialowski/AFP/Getty Images