TikTok has hit back at widespread criticism over data collection and bans on government devices.

The viral video app is releasing independent research it claims proves it's on-par with Google and Facebook. Airlie Walsh #9News

Almost a century on from when the first locomotive chugged along the Sydney Harbour Bridge - another milestone will be reached in a few hours time with the first Metro train to ever travel underneath the Harbour. Hayley Francis #9News

#EXCLUSIVE : A world-first trial at the Sydney Conservatorium of Music is determining whether the power of music can prevent dementia. Sophie Walsh #9News

MORE: nine.social/bcE

Good evening from the two of us. The bump and I are making a cameo on the late news tonight. Join us after the footy. #plentyofkicks #30weeks 9News Australia

The Reserve Bank board is set to be stripped of its powers to set interest rates as the Federal Government prepares to release a wide ranging review into the RBA. Ashley Wick #9News

Sydneysiders are being issued a public health warning tonight after a woman died from tetanus.

It's the first time the disease has claimed a life since 1993, and the third diagnosis this year - all of which were infected whilst gardening. Airlie Walsh #9News

A vibrant John Olsen illuminates our dark foyer. The man in the black beret, may he rest in peace. 9News Sydney

#BREAKING Bruce Lehrmann has taken to the stand during today's interlocutory hearing, to determine if his defamation suit against Ten and News Corp will go to trial. 9News Australia

The NSW nurses' union is taking the state government to court for allegedly breaching 'patient care' awards due to under-staffing.

They say it's a last resort, after stop-work action and the Industrial Relations Commission failed to find a resolution. Airlie Walsh #9News

NSW's leaders both agree the rising cost of living must be tackled, 10 days out from the state election.

But as Dominic Perrottet and Chris Minns went head-to-head in Nine's Great Debate, sparks flew over what the solution should be. Liz Daniels #9News #nswpol

Households and businesses are being warned to brace for surging electricity prices from July 1.

The energy regulator says bills could be up to 22 per cent higher - but could have been much worse. Eddy Meyer #9News

#EXCLUSIVE : A wastewater plant that will look after 1.5 million people in Sydney's West and South-West will be run by a Chinese company.

The NSW government has awarded the operations contract to the foreign group, despite denials it would privatise Sydney Water. Chris O'Keefe #9News

Premier Dominic Perrottet and Labor leader Chris Minns will face off TODAY at 12pm on 9Now in the debate that will influence your vote in the upcoming state election. #NSWVotes #9News

MORE: nine.social/9g1

The transition from Australia's ageing Collins class submarines to one of the most advanced war machines on the planet will catapult our navy into a new era of defence. Damian Ryan #9News

The AUKUS deal is being billed as the greatest advancement in Australia's military power.

Anthony Albanese today stood shoulder to shoulder with the US President and British Prime Minister to reveal the details of the plan. Charles Croucher #9News

After months of consecutive climbs, the Reserve Bank is poised to hit 'pause' on interest rate rises.

Relief could come as soon as April, but come July, there'll be pain of another kind for households. Fiona Willan #9News

Happy first day of autumn! 😍 @LordHoweIsland has left us speechless with this breathtaking sunrise 🧡

Thanks for sharing your #feelNSW moment IG/_la.clem.de.la.clem

Labor on track to return to government for first time since 2011. #NSWvotes Alexandra Smith smh.com.au/politics/nsw/n…

Would you run a marathon in thongs? 🏃‍♂️

Local legend Sam Hensen-Thompson has today taken off in true Aussie style for his 42.2km marathon. #9News

A huge concert is about to get underway at Sydney Olympic Park, with 85,000 Ed Sheeran fans expected tonight. Airlie Walsh #9News