Merseyside Police said that officers from Lancashire Constabulary had arrested a 51-year-old man for being unlawfully at large last night.
The man, who was not named, was arrested in Blackburn, Lancashire, at around 9.15pm.
Inquiries to locate Pickering were continuing.
More top news
A man who used a pickaxe and sledgehammer to ruin Donald Trump's Hollywood Walk of Fame star has avoided jail.
Wet, windy and turning wintry
A bull which escaped from an abattoir led police on a two hour wild goose chase through the streets of New York.