Police say bomb response unit was called in over suspicious item, which led to evacuation and flight delaysFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastA security scare that sent Victoria’s Avalon airport into partial lockdown and caused a series of flight delays was caused by a laser removal hair device, police say.Victoria police said the discovery of a suspicious item had sparked a safety check at the airport shortly after 6a