Complex sentence: British Fire Brigades frequently issue warnings and advice, urging households to switch to a safer means of cooking chips, and advising that unless the fire is easily to contained to leave the fire to the emergency services.
Split into simpler sentences: British Fire Brigades frequently issue warnings and advice, and urge households to switch to a safer means of cooking chips. It is advised that unless the fire is easily to contained to leave the fire to the emergency services.