At least 25 people have been killed in central Europe as a result of severe frost and snow storms.<br /><br /> In Poland, 17 people died of the cold over the weekend, bringing the death toll since November to 65.<br /><br /> Temperatures have dropped to minus 30 degrees Celsius in the Czech Republic where mostly homeless people have fallen victim to the cold snap.<br /><br /> In Bulgaria, snowfall and high winds blocked roads and left more than 75,000 households without power. In some areas, almost a metre of new snow has fallen over the last two days.<br /><br /> Elsewhere, dozens of flights, ferries and trains have been cancelled with travel heavily disrupted in Italy. <br /><br /> Weather forecasters expect the extreme weather to continue for several days, giving an unusual white coating to a number of towns in the south of the country.<br />