Exam board Edexcel has launched an investigation into how part of an A-level maths paper was leaked online. Blacked-out images of two questions were shared on social media on Thursday afternoon.

Questions from today's A-Level exam leaked online before the test. Two exam questions from Edexcel's maths paper 3 appeared on Twitter last night. Pearson, the firm which operates the board, has ...

Blacked-out images of two questions were shared on social media on Thursday afternoon. Pearson, which runs Edexcel, said the images were circulated "in a very limited way" shortly before Friday's ...