Police responded to reports of multiple stab wounds at a hotel on Stifford Clays Road in Grays shortly before midnight on Saturday. Officers arriving at the scene discovered four individuals who had sustained injuries.
Three men were subsequently arrested in connection with the incident. Two men, aged 24 and 25, from Hackney, east London, were arrested on suspicion of grievous bodily harm with intent. A 21-year-old man from Enfield, north London, was arrested on suspicion of grievous bodily harm without intent. All three remain in custody.
Essex Police are seeking information from the public and have provided the crime reference number 42/142250/26 for those who wish to report what they know. The force has indicated that information can be submitted via their website, their 24-hour online live chat service, or anonymously through the independent charity Crimestoppers.