Police in Scotland have been engaged in public order training ahead of the Cop26 summit in Glasgow later this year.
Footage showed officers from Police Scotland repelling potential rioters during the exercise at Craigiehall Army barracks, South Queensferry, outside the nation's capital, Edinburgh.
Thousands of participants, including global leaders and climate activists, will gather in Glasgow on November 1 for the crucial summit.
More than 10,000 officers will patrol the streets of Glasgow in what will be one of the country's biggest policing operations yet.
It is hoped that nations can agree steps to keep global warming to 1.5°C above pre-industrial levels and cut fossil fuel emissions to become carbon-neutral by 2050.
Discussions will address three main aims: reducing emissions, strengthening efforts to combat climate change and mobilising financial support.
Some have called the event the planet's "last, best hope" at averting a climate-related catastrophe.
Cop26 is being held at the SEC in Glasgow from November 1 to 12, after last year's scheduled summit was cancelled because of the Covid-19 outbreak.
Scottish police prepare for Cop26 summit – in pictures
