explosive rat
... that during World War II, British special forces developed an explosive rat booby trap?
... that during <a href="./World_War_II" id="mwAjM" rel="mw:WikiLink" title="World War II">World War II</a>, British special forces developed an <b id="mwAjQ"><a href="./Explosive_rat" id="mwAjU" rel="mw:WikiLink" title="Explosive rat">explosive rat</a></b> booby trap?