Firefighters found this onion bomb hidden in bushes in Salford near where the boys were injured.
They've confiscated it and are warning of the dangers of fireworks.
Onion bombs aren't meant to be available to the public.
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Not a bad start to the week. A little chilly on Monday morning, but with a fair amount of sunshine around
Sunday evening's forecast for the NW with Emma Jesson.
High pressure is in charge for the start of the week, a couple of fronts introducing dampness at times. Clear spells developing Sunday night