A mouse getting into the back of a fridge freezer is just one of the most bizarre causes of fires this year, the London Fire Brigade has revealed.
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Scotland Yard said two murder investigations have been launched following the separate incidents, which both happened in the past week.
Photos show the extraordinary surgical procedures to remove the growth.
The Met Police says 143 firearms have been handed in at stations across the capital in just seven days, including two antique machine guns.