Police seal off roads less than a mile from where Nicola Bulley went missing after tip-off from walkers: Helicopter and drone are spotted circling overhead 23 days after mother of one vanished by river
Officers in two police cars raced to the scene where the man and a woman pointed to the spot in the River Wyre.
One officer is said to have walked down to the bank to take a closer look before reinforcements were called.
By 1pm on Sunday police drones and a helicopter hovered over the outcrop of trees and undergrowth.
Cops were received a call at around 11.50am and Lancashire Police sealed off Rawcliffe Road in St Michael's on Wyre.
Lancashire Police shut the entire stretch of Rawcliffe Road within minutes and refused to give any reason to journalists at the scene.
A police car is now standing watch refusing to let locals within half a mile of the area as a helicopter and drone circles overhead.
The force has refused to say why they have been called to the area. It is the most dramatic search since Ms Bulley went missing over three weeks ago.
A witness said: 'I drove down Rawcliffe Road for almost a mile. I noticed a man and a woman and two police officers on the embankment.
'I pulled off at about 11.50am and I heard the man talking to police about something in the undergrowth.
'Police cars were flying down the road with the blues and twos going. A police officer pulled up a few minutes later and got his drone out.
'Five minutes later the police helicopter arrived. Officers then asked to me get out so I moved 200 yards down the road.
'I could still clearly see the man pointing at the riverbank. Then more police cars raced down with the blues and twos going. They cleared the entire road.'
The man and woman were later seen sat on a wall by the scene looking ashen faced and vaping.
All roads near to where missing mother-of-two Nicola Bulley went missing more than three weeks ago in Lancashire have been sealed off, reports at the scene suggest.
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