Bogotá (dpa) - As a result of the violent escalation of mass protests against the Colombian government, a nocturnal curfew has been announced in the capital Bogotá. Around 200,000 people took to the streets in numerous cities in the South American country on Thursday against the government of conservative President Iván Duque. The protests address, among other things, planned labor market and pension reforms as well as increasing violence against activists with social concerns. In the west of the country, three people were killed in clashes.