Six people have been taken to hospital in Newcastle after taking New Psychoactive Substances, formerly known as legal highs.
Northumbria Police say they all had adverse reactions to the drugs, which were bought in the Old Eldon Square area. They're warning about those known as 'Spice', 'Killer Smeg' and 'Spongebob'.
None of the six are thought to be in a life threatening condition but all were kept in hospital as a precaution.
Police are urging anyone in possession of the substances to hand them in to police.
Here in Northumbria we have done a lot of work warning people about the dangers of legal highs and they were recently banned under new legislation brought in earlier this year.
'However, our priority is the safety of the public and we want to make sure that any substances that may cause harm to those using them is taken off the streets.
'If you have drugs of this nature in your possession, or have any information about who may be distributing them, then contact police immediately.
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One hundred years after a soldier's heroism in The First World War, a special stone was unveiled in his memory. Private William Short, from Middlesbrough, received the Victoria Cross for his efforts during The Battle of the Somme.
A First World War hero, from Middlesbrough, was remembered at a ceremony today to mark 100 years since his acts of bravery. Private William Short continued to help fellow soldiers, during The Battle of the Somme, despite being badly wounded, and later dying of his injuries. Members of the military were among those to pay tribute as a stone was unveiled at Eston Cemetery: