Irish holidaymakers heading to Ibiza and Majorca are being advised to exercise caution following a spate of needle spikings.
A total of six incidents of needle spiking have been reported and all are understood to have taken place in nightclub settings.
The incidents are believed to be linked to criminal activity as a number of those spiked had valuables stolen from their person.
It is also understood that solo travellers or those who have been separated from friends are at particular risk.
Four spikings in Ibiza and two spikings in Majorca are currently being investigated by Spanish police
Police cited one case at an Ibizan nightclub where a male noticed a small puncture mark on his leg only for him to fall ill and have belongings stolen.
Those who fear they may gave been jabbed at a club are asked to immediately seek assistance from security personnel.