Date: 5 Dec 1979
Place: Selby Street, Hull
Charles Hastle, Paul Hastle and Peter Hastle died when someone poured parafin through their letter box and set it on fire.
not certain that this is unsolved but cant find a conviction. In late December a man claiming to be responsible called the parents to express his remorse over the murders.
see Our Correspondent. "Police get fire death phone call." Times [London, England] 29 Dec. 1979: 3. The Times Digital Archive. Web. 28 Nov. 2013.