Emergency services were called to the river at Pitt Town in Sydney's north-west about 3.40pm following reports of an injured water-skier.
Mert Ney,21,was seen covered in blood and wielding a knife in Sydney's CBD about 2pm Tuesday. He allegedly stabbed one woman,21,to death,while another woman,41,was stabbed but is in a stable condition.
About 45 minutes earlier a 21-year-old wielding a butcher's knife had allegedly stabbed a woman at King St's Hotel CBD.
Brave bystanders have been hailed as heroes for ending"terrifying carnage"in the Sydney CBD on Tuesday,which left one woman dead and a second injured.
Lee Cuthbert was working in his York St office when he and his colleagues heard a commotion on the street below.
The woman who had to be freed from her car sustained minor injuries,she was aided by paramedics and doctors already on the scene at Ryde Hospital.
A group of tradesmen chased down the driver after he allegedly struck an 87-year-old woman in a wheelchair in Newtown.
Police have urged the public to"exercise extreme care when using the Church Street off-ramp exit"after the motorcyclist,22,died at the black spot on Tuesday.
Police are calling for witnesses to come forward after family of five escaped a suspicious fire at their eastern suburbs home overnight.
Video footage shows two boys atop the 111-metre tall and heritage-listed AWA Tower on York St,near Wynyard,just before 5pm on Monday.
Ali Bostani had heard screams for help moments before the knock on his door. When he answered,his neighbour allegedly told him she’d just killed her mother.