Police Scotland have issued a drugs warning following the death of a 16-year-old girl in Midlothian.
The teenager, named locally as Shellie Callaghan, reportedly fell ill at a house party in Newtongrange and was taken to Edinburgh Royal Infirmary on Saturday.
One line of inquiry officers are following is that the girl had access to "ecstasy type tablets", police said.
"Police Scotland is issuing a drugs warning following the death of a 16-year-old female in Newtongrange on Saturday," the force said in a statement.
"Inquiries into the circumstances surrounding her death are at a very early stage, however one line of inquiry officers are following is that she may have had access to ecstasy-type tablets.
"These tablets are known as red bugatti veyron and purple ninja turtle.
"Anyone who has taken these tablets is urged to seek immediate medical attention.
"Furthermore, anyone who has access to any of these tablets is strongly urged not to take them.
"Police Scotland's message is clear. There is no safe illegal drug and no safe way to take illegal drugs."
Tributes were paid to the teenager on social media, with one friend writing: "My childhood best friend, I'll never forget our times together Shellie."
Another wrote: "Always hear bad things about drugs but never think it would happen to someone you know, rip Shellie Xx."