A London maths teacher is among the top 10 finalists for a global teaching prize.
Colin Hegarty, who has set up his own maths teaching website, has reached the final of a competition to find the world's most exceptional teacher.
The winner, to be announced at an awards ceremony later on Sunday, will receive a prize of $1m (£700,000).
The finalists include teachers from India, Kenya, Finland and the United States.
This is the second year that teachers from around the world have competed for the Global Teacher Prize, which will be…