Ryan Williams, aged 20, of Bridgewater Court, London, was sentenced to five years and seven months in prison at Aylesbury Crown Court

At the same hearing, Williams pleaded guilty to one count each of possession with intent to supply a controlled drug of class A, namely heroin, possession with intent to supply a controlled drug of class A, namely cocaine, and possession of criminal property.

At around 2.15pm on 30 May, officers witnessed Williams conduct exchanges on the Grand Union Canal towpath between Tesco in Tring Road and Oakfield Road.

Williams was detained and officers found he was in possession of £280-worth of crack cocaine and heroin, £188 in cash and two mobile phones, one of which was being used to manage a county drugs line.

Williams’ address in London was searched and officers recovered multiple digital scales and drug paraphernalia.

Williams was charged on 31 May.

Investigating officer PC Ben McNeill, of the Aylesbury Stronghold team, said: “I am pleased that the courts have handed a fitting sentence to Williams, who made the decision to travel to Aylesbury from Wembley with the intention to deal class A drugs.

“I hope this serves as a clear warning to anyone who wishes to deal drugs in Aylesbury Vale.

“The Aylesbury Stronghold team, which tackles organised crime in our area, will work tirelessly to ensure these criminals are dealt with robustly and put them before the courts.

“If you have any information related to the supply of drugs in Aylesbury then please contact us by calling 101 or making a report online.

“If you do not wish to speak to the police you can contact the independent charity Crimestoppers on 0800 555 111 and they will take your information 100% anonymously.”