A teacher in Sydney has been charged after allegedly asking for explicit material from a teenage girl in exchange for money.Investigations began after police received a report that a 14-year-old girl had been communicating with the male teacher on social media, with the teacher allegedly trying to get the girl to send him sexually explicit material over the internet and over the phone.LIVE UPDATES: Iran dismisses US ceasefire plan, issues its own counterproposalThe man was refused bail, and will face