Drought, mismanagement of water resources, coupled with US sanction, led to protests, starting in the southwestern province of Khuzestan in July, later in Isfahan, and, soon afterwards, in its neighboring province of Charmahal and Bakhtiari.

Leaders attending the G20 summit have agreed to commit to the key goal of limiting global warming at 1.5 degrees Celsius.

Insulate Britain, a new group whose campaigners have repeatedly blocked roads and motorways in and around the capital, targeted three locations including the Canary Wharf and City of London financial districts.

Protests have been held in Naples during a G20 Ministerial meeting on environment, climate and energy.