Nineteen people have been sentenced to death in Myanmar for killing an associate of an army captain, the military-owned Myawaddy TV station said on Friday — the first such sentences announced in public since a February 1 coup and crackdown on protesters.Nineteen people have been sentenced to death in Myanmar for killing an associate of an army captain, the military-owned Myawaddy TV station said on Friday — the first such sentences announced in public since a February 1 coup and crackdown on protesters.