(JTA) – Thousands demonstrated in cities across Israel on Tuesday night, July 2, to protest the killing two nights earlier of an Ethiopian teen by an off-duty police officer. At least 136 protesters were arrested and at least 111 police officers were injured as some of the protests became violent and included rock throwing, firebombs and burning tires. Police used riot dispersal methods in some cases to remove the protesters, but also kept a low profile elsewhere to prevent clashes. Solomon Tekah, 19, was killed Sunday night in Kiryat Haim, in northern Israel. The officer was at a nearby park with his family when he attempted to break up a street brawl. He said the teens threw stones at him and he believed he was in mortal danger. The officer is under house arrest. President Reuven Rivlin in a statement issued late Tuesday night called on “all of us to act responsibly and with moderation.” “I know that you are doing everything in your power to convey the voice of your protest and to lead a change that is all about righting wrongs and creating a better future. No one wants revenge,” he said.