Police have issued an urgent warning after medication that could "potentially be fatal" to humans was stolen from a car in Middlesbrough.

Officers from Cleveland Police have confirmed that a car window had been smashed on Park Road South near Albert Park, with several items stolen from the vehicle including 500mg of Pentobarbital.

The medication is used to put animals to sleep and if taken by a human could potentially be fatal.

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Officers are appealing for anyone who has been sold the drugs, may know of their whereabouts, or has the stolen medication in their possession to contact police urgently on 101.

The break-in is believed to have occurred at some time between 9pm on Thursday, September 26 and 8.30am on Friday, September 27.

Information about the medication or the theft from the vehicle should be reported to Cleveland Police on 101, quoting reference number 185808. Alternatively, police would encourage the drugs to be handed to a police station or local pharmacy.