revise

The revised figure makes it the deadliest known attack since insurgents began operating in northern Benin at the beginning of the decade.

The reports focus on how some 3,000 names of people originally identified as fatalities were removed from later revised lists.

The project was estimated to cost £530m when it was announced by the chancellor at the time, George Osborne, before being revised later that year to £888m.

Indeed, since her book was edited, Pember has herself written about a revised estimate of more than 3,000 student deaths.

Emma says her dad helped her to draw up a study plan, and to keep her on track when she didn't want to revise.