On the night of December 2nd 1943 the
largest ever accident involving this gas ocurred. In the port of
Bari Italy a US merchant ship the USS John Harvey had berthed,
during the night the Germans carried out a heavy bombing raid
over the town. Some seventeen ships were totally destroyed ,among
them the USS John Harvey was hit. What was unknown by most people
at the time was that this ship was carrying over one hundred
tonnes of 100lb mustard bombs. All weapons were blown apart
spreading liquid mustard gas across the harbour. Today there are
still areas within the UK contaminated by this gas. Every year
specialists check and attempt a clear up.