Al-Jazeera journalist Peter Greste headed home to Australia on Wednesday, a family spokeswoman said, following his release from an Egyptian jail where he was held for more than 400 days. "On Thursday morning Australian journalist Peter Greste will arrive home in Australia -- a free man, after 400 days in a Cairo jail," the spokeswoman said in a statement. In his first posts on his official Twitter account since his release from jail, Greste thanked his supporters and said he would soon be heading to see his family in his native Australia. "Brother Mike and I due to head home to Australia shortly.