Three dead in shooting at US shopping centre

Four dead in shooting at US shopping centre

At least three people have been killed in a shooting at a US shopping centre, police have confirmed.

The incident took place in Cascade Mall in the town of Burlington in Washington state just before 7pm on Friday (local time).

Customers told local media they hid in stores as the centre was put into lockdown.

An unknown number of people have been injured with at least four deceased.

Emergency services entered the building just after 8pm to tend to the wounded and evacuate the area and it is believed the shooter is still at large.

Police are reportedly searching for a man between 20 and 25 years of age who was last seen running towards a nearby motorway.

Authorities are urging people to avoid the area.