Warwick University professor goes missing during Chile research trip
Prof Tom Marsh, a University of Warwick academic from Rugby, had been visiting La Silla Observatory in Chile. He was last spoken to on Friday evening.
Warwickshire Police said it was liaising with the Foreign Commonwealth and Development Office (FCDO), Interpol, and Chilean authorities.
The 60-year-old's family said they were "deeply concerned".
In a statement issued through the Warwickshire force, relatives said: "We are deeply concerned for Tom and miss him, and would ask anyone who may have information on his whereabouts to please help."
Specialist police officers were supporting the family, police said.
Prof Marsh is described as white, approximately 6ft 3ins, with balding grey hair and a beard. He was likely to have been wea...