Police are urging the community to lock up after three cars were stolen from a Mosman home this week.

Two real estate agents - aged 35 and 37 - have been charged over an alleged brawl with rivals in St Leonards.

An 81-year-old Mosman man is lucky to be alive after he was trapped inside his unit for several days - unable to call for help.

A 42-storey seniors tower planned for Crows Nest and it will be Australia's tallest, rising to 140 metres.

A 46-year-old woman faces court after police allege they caught her red-handed after stealing 68 tubes of toothpaste in Crows Nest.

Police allege two UK nationals ran 107kg of ketamine through Artarmon and North Sydney. Both refused bail.

Police are appealing for dash cam footage and witnesses after an 81-year-old man died following a crash in Willoughby.

Noise cameras could be trialled on North Sydney streets after Mayor Zoë Baker brought police and residents together to discuss hoons.

A Neutral Bay L-plater has been jailed after his NINTH drive while disqualified offence and a wild police chase.

A Mosman dad chased thieves on foot at 3am after they stole both his cars, amid a lower north shore spate of break-ins.

A 50-year-old man has been refused bail over the alleged sexual assault of a 17-year-old girl in a rideshare vehicle in North Sydney.

A nine-year-old boy ran against a red light into the side of a police car in St Leonards, dash cam footage and witnesses confirm.

A man allegedly walked through North Sydney's private school precinct with a replica pistol, before fleeing across the Pacific Highway.

A 14-year-old from Neutral Bay has been charged with robbery after police allege he and a group stole a Surron e-bike at knifepoint.

In five years, Mosman recorded 159 tree vandalism incidents and took just ONE case to court. Now, Council is about to employ a "Tree Cop".

Luxury cars were allegedly stolen from two Mosman homes while families slept. A 35-year-old man has been charged.