Fired Twitter cleaning staff 'treated like garbage'- PublishedCleaners at Twitter's headquarters in San Francisco have told the BBC they were sacked without severance pay.San Francisco's city attorney, David Chiu, said he's investigating if Mr Musk broke the law.Since Mr Musk acquired the company, Mr Alvarado says he was escorted by private security while cleaning parts of the office.He also says he was told by someone from Mr Musk's team that his job would be obsolete soon anyway because robots would eventually replace human cleaners.Adrianna Villarreal, who had worked at Twitter since 2018, said she was worried she would not be able to afford Christmas gifts."