Police want to speak to anyone who saw a man throwing cones into the road in front of Cineworld on the Waterfront.
It's claimed he then tried to pull another man out of a car.
The car left the area.
It happened between 9.15pm and 9.30pm on Thursday.
A 34 year old was arrested at the scene and officers say enquiries are ongoing.
Anyone with any information is asked to contact police on 612612 or anonymously via Crimestoppers on 0800 555 111.
L'Ecume II: Former Condor lookout witnessed collision
The former lookout on the Commodore Goodwill, Artur Sevash-Zade, has described in court the moment he saw the freight ship and the L'Ecume II fishing trawler collide.
Childminders included in 15 funded hours for toddlers
Jersey's Education Minister says the extra £20M his department's set to get next year will go on addressing teachers' workloads and giving parents with younger children some free childcare.
£77 charge for misusing A&E
People going to A&E in Jersey for a non-emergency could be charged £77 from next year.
More couples eligible for IVF
More couples in Jersey will be able to get funded IVF from October.
L'Ecume II: 'It could've been avoided'
The officer steering Condor's Commodore Goodwill when it fatally collided with a Jersey fishing trawler has told the jury in his manslaughter trial that the collision 'could've been avoided'.
New tax on vapes and cheaper pub pints in 2026 Budget
The government's 2026 Budget proposes cheaper pints in Jersey pubs, more free nursery places, and a new vaping tax.
Soft play on Jersey's Waterfront to open on 1 October
A new children’s soft play facility will open on Jersey's Waterfront on 1 October.
L'Ecume II: Accused former Second Officer takes the stand
Lewis Peter Carr, the Commodore Goodwill's former Officer of the Watch, has spoken in court for the first time as his manslaughter trial continues.
