At least 38 people were killed at pro-democracy protests in Myanmar on Wednesday, the UN’s Special Envoy to the country told a briefing Wednesday, in the deadliest day of violence since a military coup on February 1.At least 38 people were killed at pro-democracy protests in Myanmar on Wednesday, the UN’s Special Envoy to the country told a briefing Wednesday, in the deadliest day of violence since a military coup on February 1.