India, Dec. 2 -- Outgoing US President Joe Biden was pictured saluting and blowing kisses to spectators from the top steps of Air Force One in his first public appearance on Sunday night after he pardoned his son Hunter.

While leaving for his official trip in Angola, Biden, 82, made the patriotic gesture after climbing the presidential jet's stairs.

In addition, he also gave a thumbs up as he brushed off yelled queries from reporters over the historic clemency grant.

Biden is travelling to Africa as promise to promote a US-backed railway project in three nations that he has pushed as an unconventional approach to reduce some of China's influence in the world.

On Sunday, Biden declared that he has pardoned his son in the wake of his fe...