A collision between a passenger catamaran and a private yacht off the Croatian coast has resulted in the deaths of three Czech citizens, with one person currently listed as missing. The incident occurred on the Adriatic Sea, leaving several others injured, including one individual with a severe spinal injury. Authorities are conducting search and rescue operations to locate the missing person. The cause of the collision is currently under investigation. Details regarding the nationalities of those injured, beyond the confirmed Czech fatalities, have not yet been released. This maritime accident has prompted a response from Croatian emergency services and coastal authorities.