Myanmar security forces used tear gas and stun grenades to break up a protest in Yangon on Saturday, just hours after a United Nations special envoy called on the Security Council to take action against the ruling junta for the killings of protesters. #News #Reuters #Myanmar #MyanmarCoup #MilitaryCoup Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en