Photo: AFP Health officials remain in contact with their Australian counterparts about two mystery Covid-19 cases in Sydney which prompted the halt, and expect to provide an update tomorrow morning. Matt Stevenson, a former Wellingtonian living in Sydney, said it had been abrupt and "bewildering" news to learn he couldn't fly, following the sudden death of his mother on Monday. He'd planned to reunite with New Zealand family members, including his daughter for the first time in a year, then go to the funeral in Tauranga tomorrow. "I've had up until yesterday to get used to the fact Mum's pass...