On 9 February 1942, as the Council was debating, as a matter of urgency, the British Government's intention to deport several Maltese citizens, Mifsud suffered a heart attack as he was delivering a speech against the government's intention.
On February 9, 1942, at a time when urgent action was required regarding the deportation of some Maltese individuals by the British Government, Mifsud had a heart attack as he spoke out against their plans.