Politicians, military leaders and celebrities from across the US have paid farewell to former Delaware attorney general Beau Biden, whose death at age 46 opened yet another chapter of grief for his father, vice president Joe Biden.

Politicians, military leaders and celebrities from across the US have paid farewell to former Delaware attorney general Beau Biden, whose death at age 46 opened yet another chapter of grief for his father, vice president Joe Biden.

Beau Biden, who followed his father, US vice president Joe Biden, into politics has died of brain cancer at the age of 46, less than two years after he was diagnosed.

Beau Biden, who followed his father, US vice president Joe Biden, into politics has died of brain cancer less than two years after he was diagnosed.