Violent protests broke out across Italy on Monday over new restrictions to curb the country's second wave of Covid.
New measures to combat a surge in coronavirus cases have come into force in Italy with gyms, swimming pools, cinemas and theatres closed.
Turkish President Recep Tayyip Erdogan has called on Turks to boycott French goods amid a row over France's tougher stance on radical Islam.
Spain has declared a national state of emergency and imposed a night-time curfew in an effort to help control a new spike in Covid-19 infections.
France has reported a large jump in new Covid-19 cases ahead of a night-time curfew being imposed on Paris and eight other cities on Saturday.
There have been reports of fresh fighting between Armenia and Azerbaijan, just hours after a ceasefire came into force.
New measures to tackle the increase in coronavirus cases "will take time to feed through", Boris Johnson says.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.