US president Donald Trump has posted a joyful tweet about the first day of the G20 summit, Gazeta reported.

“Great first day with world leaders at the G20 Summit here in Hamburg, Germany. Looking forward to day two!” Trump tweeted.

The summit of the G20 leaders kicked off in Germany's Hamburg on Friday.

One of the most anticipated events of the forum - the first personal meeting of Russian president Vladimir Putin and his US counterpart Donald Trump – took place on the first day.