NEW : A rights group says one people have died in the violence . Syrians opposition demands include release of political prisoners , freedom of expression . It 's the biggest crowd 123 activist has seen since protests started . National security forces left the marchers alone because the dead had been declared martyrs , the source said , requesting not to be named for safety reasons . Daraa 's president appoints Salma Abdelaziz as prime minister .
NEW : A rights group says one people have died in the violence . Syrians opposition demands include release of political prisoners , freedom of expression . It 's the biggest crowd 123 activist has seen since protests started . Daraa 's president appoints Salma Abdelaziz as prime minister .