One anti government protester was killed by central security forces and 18 others injured by live gunshot wounds in an evening attack according to the medical team in change square Taiz.
Nearly 300 protesters were injured by gas inhalation as more than 20 are still in serious condition according to the medical team.
"Tear gas was used against protesters for more than six hours continuous," said Kareem Abdul Samat, a youth activist in Taiz.
"The medical hospital needs more doctors and volunteers to help the injured," he added.