A Downing Street spokesperson said:
The Prime Minister called President Santos of Colombia today.
She offered her sincere condolences on the recent plane crash, saying it had been a tragic event.
The Prime Minister congratulated the President and all Colombians on the new peace agreement. She said the UK stood ready to provide any assistance necessary to implement the deal.
The President thanked the Prime Minister for her call. They agreed that the bilateral relationship was exceptionally strong and would continue to flourish.