A police woman and paramedic wrap a thermo foil around a woman injured by a powerful gas blast on April 29, 2013 in Prague’s historic center. The blast injured up to 20 people, four seriously, rescuers said, adding that it was possible some people were buried in the rubble. AFP PHOTO / MICHAL CIZEK (Photo credit should read MICHAL CIZEK/AFP/Getty Images)
