A police helicopter was also dispatched to the area as a major search effort was launched.
A trail connecting two areas remained cordoned off at both ends until Saturday afternoon.
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The police response was prompted by concerns that a man in his 30s had been assaulted, although it is not known where the incident took place and the victim has yet to report to police. .
Investigations led officers to proceed to Window Lane, where two men fled the patrols.
A motorcycle believed to have been linked to the men was later found abandoned in nearby Vineyard Street.
The stolen Yamaha was recovered for forensic examination.
As investigations continued this afternoon, a police gang crossed the entrances to a path leading to the Dutch Farm housing estates and connecting Highbank Drive, near South Parkway station, and Vineyard Street, near the New Mersey Retail Park.
People living at both ends of the trail said Merseyside Police had been in the area since Friday evening.
On Highbank Drive, neighbors said they saw armed police on their property and heard a police helicopter circling overhead at around 8 p.m.
They said officers returned several hours later, with searches for land discovered the trail crossed as seen in progress.
By mid-afternoon on Saturday, a single patrol car patrolled the cordon of Highbank Drive while a patrol car and van used by MATRIX, the police anti-gun and gang team of Merseyside, were parked on Vineyard Street.
* Anyone with information is asked to contact Merseyside Police via Twitter (@MerPolCC), Facebook (Merseyside Police Contact Center) or by calling 101 and quoting 21000621767. Crime Stoppers can be contacted , anonymously, on 0800 555 111.
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