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The biggest
for fires starting are lithium-ion batteries. These can explode and start
if they are crushed or they get
. The agency told the BBC that, "more people are putting
containing these batteries in with
waste". It said: "That causes a real
because they have a
- when damaged - to explode or ignite....They're likely to be crushed...or they might get wet.". It added: "They're in the
of other flammable material...that can lead to
big fires." We need to be mindful of the
hazards of batteries.