Forensics officers have been carrying out investigations at a Wirral home.
Police have maintained a presence at the Leasowe property for a second consecutive day.
Searches were ongoing on Saturday afternoon including outside the home, where the bins were being checked.
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Two police cars could be seen on Franklin Road on Saturday afternoon, including a scientific support vehicle.
Forensics officers appeared to be focusing on a property on the street, where neighbours said police had been in attendance since Friday.
The road was not closed to traffic while inquiries were being carried out.
Details of the incident that is subject to investigation have been requested from Merseyside Police and will be reported when available.
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