A 42-year-old fled from police before being involved in a two-vehicle crash in Sans Souci, police sayGet our breaking news email, free app or daily news podcastThree people have died in a crash in Sydney after a man fled from police who had been attempting to carry out a welfare check.Police officers had been called to a property in Gymea Bay, southern Sydney, at 12.25am on Saturday. When they arrived, a 42-year-old