British Airways Executive Club members can now accumulate Avios points when shopping at World Duty Free stores in London Heathrow Airport. Customers can earn one Avios point for every £1 spent on various products, including sunglasses, skincare, fragrances, and fashion items, across all terminals at Heathrow. To take advantage of this offer, Executive Club members need to sign up for the Red by Dufry loyalty program offered by World Duty Free and provide their Executive Club details in the Red by Dufry app.