Police treating fire at JFK Library 'as if it may be related' to Marathon bombing

The first reports were reassuring.

"Initial reports of another explosion at the John F. Kennedy Library in Boston turned out to be an unrelated fire," said The Washington Post. The New York Times reported the same.

But a Boston police official does not rule out a connection, according to the Dorchester News, which reported:

In a press conference around 4:3…