Mark Williams draws our attention to this piece of Guardian numeracy:
Sometime after the plane was evacuated the phone was removed. As passengers were treated to coffee and chocolates in the Frederick Chopin VIP lounge, the elite security forces destroyed it. No explosive device was found on board. The unclaimed phone had spurred the Polish government to scramble jets, had forced thousands of tons of fuel to be dumped over the Polish countryside and had triggered an emergency landing.
Thousands of tonnes of fuel dumped from a plane with a c. 300 tonne fully laden take off weight…..