A Police Scotland spokesman has told STV: "Police at Edinburgh Airport have implemented a closure of the building and the access roads following the discovery of a potentially suspicious bag within the Central Search Area at around 1.50pm today.
"The EOD are currently in attendance to inspect the item and officers are maintaining a cordon to ensure the safety of the public."
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Julian Cadman, who is thought to have dual British-Australian nationality, became separated from his mother who was injured in the attack.
Wayne Rooney and his wife Coleen are expecting their fourth child, the couple have announced.
As the silence came to an end the crowd began to applaud and people shouted "I am not afraid!" in defiance of the attacks.