The nationality is ALWAYS conveniently overlooked - this case if it ever gets to a court has very little chance of achieving a satisfactory Quantum.

Bachus is right - you need to get the Police in there - locals pay NO heed to security staff as they are cogniscant of the fact that NO Nepali/Philipino who values his ongoing salary would dare to intervene - ergo you need to get someone in who will make an angry relative think twice about before he sets about medical staff.