Holidaymakers jetting off to the Med this summer have been warned of a marine menace lurking in its balmy waters.

Holidaymakers jetting off to the Med this summer have been warned of a marine menace lurking in its balmy waters.

The silver-cheeked pufferfish, also known as Lagocephalus sceleratus, is normally found in the Indian Ocean but has now been spotted in the Mediterranean after entering through…