Abu Dhabi-based sovereign wealth fund, Abu Dhabi Investment Authority (Adia) has said it had bought a minority stake in Britain's Gatwick Airport from Global Infrastructure Partners (GIP), Reuters has reported. An Adia spokesman declined to comment on the precise stake and the amount paid, but two sources close to the deal said Adia will pay around $196.4m for the 15% stake. Adia is seen to have a strategy of buying minority stakes in infrastructure assets as a long-term investor.