Police in Amsterdam used water cannon to disperse protesters demonstrating against Covid-19 restrictions while in the southern city of Eindhoven cars were burnt and shops smashed in riots against the country’s lock-down measures. Riot police on horseback attempted to clear the demonstrators in both cities where hundreds of people were arrested. A nighttime curfew went into effect on Saturday in a bid to rein in the coronavirus. Parliament voted narrowly last week to approve the curfew, swayed by assertions that an English variant is about to cause a new surge in cases