A car has flipped on St Saviour's Hill, closing the road.
Police are assessing two other vehicles at the scene of the incident.
It is unknown if there have been any major injuries.
Islanders are unable to use the road from the bottom of St Saviour's Hill, until further notice.

The incident is believed to have happened at around 2:00 pm on Friday (13 December).

            Lee Ingram appointed JFA President 
        
            Economists warn Jersey's government to save more money
        
            Trash the trimmers, try a tash!
        
            Man investigated for indecent exposure and urinating in the street 
        
            Guernsey could be disgraced Andrew’s new home - Royal biographer
        
            Government appoints new Havre Des Pas Lido operator 
        
            Jersey Chamber of Commerce 'aghast' at recommendation to reject Strive Hotel plans
        
            Politician calls for Havre des Pas lido tender process to be scrapped