Big Boss Diamond Sinks in Turkish Bay
Boat carried 148 people, including 20 children and Brits.
Vessel marketed as a family party boat, largest in Turkey.
Tours offered unlimited drinks for £35.
Sank after taking on water in Akvaryum Bay, within an hour.
Some claimed engine caught fire.
Rescue teams coordinated evacuation, no casualties.
Operator sent message to guests, pledging to continue trips.
3 hours ago