Thousands of opponents of Myanmar's February 1 military coup gathered again on Sunday in towns from north to south, undeterred by the bloodiest episode of their campaign the previous day when police and soldiers opened fire in the city of Mandalay, killing two.Early on Sunday, police arrested a famous actor wanted for supporting opposition to the coup, his wife said, while Facebook deleted the military's main page under its standards prohibiting the incitement of violence. In the main city of Yangon, several thousand young people gathered at two sites to chant slogans, while hundreds massed peacefully in the second city of Mandalay, footage shown by a media outlet showed. In Myitkyina town in the north, which has seen confrontations in recent days, people laid flowers for the dead protesters while young people with banners drove around on motorbikes.Crowds marched in the central towns of Monywa and Bagan and in Dawei and Myeik in the south, posted pictures showed. The more than two weeks of protests had been largely peaceful, unlike previous episodes of opposition during nearly half a century of direct military rule to 2011.Members of ethnic minorities, poets and transport workers marched peacefully on Saturday in various places but tension escalated in Mandalay where police and soldiers confronted striking shipyard workers.Some demonstrators fired catapults at police as they played cat and mouse. Police responded with tear gas and gunfire at the protesters, witnesses said. The Assistance Association for Political Prisoners activist group says 569 people have been detained in connection with the coup.Western countries that earlier condemned the coup spoke out against the violence.Suu Kyi faces a charge of violating a Natural Disaster Management Law as well as illegally importing six walkie-talkie radios. Her next court appearance is on March 1.