Armed police swoop on a house on Wintringham road tonight.
Armed police officers sealed a part of Wintringham road in the last hour.
Police officers and dog section were all at scene while armed officers entered the property at the front and at the back to search.
They was there for around 20 minutes searching.
They left after searching the property and no arrests were made .
The Armed officers were earlier waiting at the Grimsby institute for information before going on
More details will be given when known.