A DJ stabbed five British tourists at Spanish holiday resort Magaluf, Majorca, outside a pub during Halloween celebrations on Friday.
Nelson Delgado, 25, from Portugal, was arrested after stabbing the Britons at around 4am on Friday morning.
According to the Daily Mail, police believe he stabbed the British holidaymakers after mistaking them for a gang wearing Halloween fancy dress who attacked his brother hours earlier.
Delgado has been remanded in custody after appearing in court.
According to the Daily Star , the victims are critically ill in hospital, many with back and stomach wounds.
Other reports say the fight involved around 20 Brits. Delgado was reportedly left with a knife wound.
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