Just days after the deaths of 26 people, including 20 children, at a school in Connecticut, a second campus in the state is in lockdown.
Police say they are investigating reports of a suspicious man - who is possibly armed - in Ridgefield.
Twenty miles away, investigations continue into last Friday's massacre at Sandy Hook Elementary School in Newtown.
The first funerals will take place later when two six-year-old boys will be laid to rest.
Lieutenant Paul Vance said the police investigations will take some time.
Newtown officials could not say whether Sandy Hook Elementary School would reopen. The school district is considering sending surviving pupils to an empty school in nearby Monroe, but for many parents it was much too soon to contemplate resuming school day routines.
Jim Agostine, superintendent of schools in nearby Monroe, said plans are being made for children from Sandy Hook to attend classes in his town this week.
A Connecticut official said yesterday that the gunman’s 52-year-old mother Nancy was found dead in her pyjamas in bed at the home they shared, shot four times in the head with a .22-calibre rifle.
The killer then went to the school on Friday morning with guns he took from his mother, got inside by breaking a window and began blasting his way through the building.