Police investigating a Melbourne childcare worker accused of child sex crimes have charged a second man with serious offences, including bestiality. Michael Simon Wilson, of Wyndham Vale, is also facing charges related to child abuse material and sex offences, according to the Melbourne Magistrates' Court.

Officials pledge to toughen laws after 26-year-old childcare worker charged with abusing eight children under his care.

Parents of 1,200 children in the Australian state of Victoria are being advised to get them tested for infectious diseases after a childcare worker was charged with more than 70 offenses including sexual assault.