London, April 24 -- McLaren have made 11-year-old Harry Williams their youngest ever signing.
Williams is two years younger than F1 great Lewis Hamilton was when he joined the team in 1998.
Ella Hakkinen - daughter of double F1 world champion Mika - was previously the youngest driver currently on the McLaren driver development programme, having joined last year aged 14.
Seven-time world champion Hamilton joined the programme aged 13, going on to make his F1 debut in 2007, according to BBC sport.
Reigning champion and McLaren driver Lando Norris also came through the programme, joining aged 17.
"Our goal is to build a consistent pipeline, laddering into our race programmes in F1, IndyCar and the World Endurance Championship for many yea...