Russia's most prominent opposition leader called for his supporters to take to the streets after a hastily organized court jailed him for 30 days.

Officials said an out-of-date electoral system and deep divisions had left American democracy "limping on both feet."

With almost 30% of polling stations reporting after the end of six days of voting, 74% of voters have supported the reforms. 

Celebrations were muted after the Kremlin grudgingly agreed to postpone plans for a grand parade with world leaders because of the coronavirus.

Turkish President Recep Tayyip Erdogan has said he will be looking for Russia's Vladimir Putin to agree to a rapid ceasefire in Idlib.