The Police Investigations & Review Commissioner (PIRC) has launched an investigation in relation to the serious injury of a 17-year-old woman and 45-year-old man who were being transferred in a police vehicle to Perth Police Office on 5 March, 2018.

A spokesman for the PIRC said:

"We can confirm that we have received a referral from Police Scotland in relation to the serious injury of a 17-year-old woman and 45-year-old man who were being transferred in a police vehicle to Perth Police Office on March 5, 2018.

"Our investigation is ongoing and it would be inappropriate to comment further."