A warning has been issued over "yellow and blue tablets" circulating in one part of Merseyside which could have fatal consequences if taken.
Merseyside Police issued the warning for the tablets which are currently circulating in Birkenhead town centre.
It is believed they are highly likely to cause people to collapse, cause injuries, cause temporary spasms or could result in death.
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The tablets are approximately 5mm in diameter with the letters MSJ printed on them. It is believed they contain rat poison and cement.
Officers are warning people not to take anything matching the description, and warning that any illegal drugs pose serious risks to health as users often do not know what harmful chemicals they contain.
Inspector Alan McKeon said: “It is not only illegal to buy and sell drugs, but taking illegal substances can also be very dangerous and potentially fatal.
"We are urging the public not to take any illegal drugs – you don’t know what’s in them, where they’ve come from or what effects they may have on you.
“There are significant risks with any drug misuse, especially when it involves drugs bought off the streets from unregulated sources. The effects of drugs are not always immediately apparent or can be delayed.
"This can sometimes result in people taking more in order to speed up the effects. This can have devastating results.
“We are asking people to use their common sense and not to take illegal, unregulated drugs.”
Anyone with any information about the supply of illegal drugs should contact police on 101, Crimestoppers on 0800 555 111 or for further information about drug use and abuse call FRANK on 0300 123 600 or visit http://www.talktofrank.com/ online.
