The family of a student from Suffolk who has been missing in Hungary since leaving a New Year celebration have flown to Budapest to find him.
Daniel Gliksten, 23, is studying medicine in Budapest and was last seen celebrating with friends in the city.
His family, who run the 1,200 acre Denham Estate near Bury St Edmunds, are said to be desperate to locate him.
In a statement they said:
His family is very concerned for his safety and currently is in Budapest working with the Hungarian authorities, British and Swedish Embassies to try and ascertain his whereabouts and the circumstances surrounding his disappearance.
Hungarian police confirmed officers in the city's fifth district had launched an investigation.
Mr Gliksten, who holds dual British and Swedish nationality, was seen leaving the Otkert bar in Zrfnyi Street in the early hours of January 1. The area is popular with tourists.
More top news
Protesters have chained themselves together on a runway at Stansted Airport in an attempt to stop a charter flight taking off.
The Anglia region could be enjoying its warmest March since 1957 with temperatures 2°C above normal.
An unlikely friendship has blossomed between a Muslim community leader and a former member of the far right English Defence League in Luton.