"This was an incredibly nasty incident and the staff were very shaken but fortunately unharmed, which is our number one priority.
"We will be offering them any assistance and any support they require after this terrible incident.
"We are also working with the police and hopefully witnesses will come forward to help catch these people."
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The family of a young woman from Norfolk found murdered on a Thai island have paid tribute to her.
Four youths have been sentenced to a minimum total of 107 years in prison for murdering a teenage rapper.
Low cloud, mist and fog will feed in from the north sea tonight leading to another murky start to the day tomorrow.