A late-night explosion caused a panic in the town of Jablonná nad Orlicí on Friday night. The house where the explosion took place was completely demolished by the blast and the windows of dozens of surrounding houses were shattered within a 100-metre-radius. The owner of the house was found buried under the rubble, badly injured. He was flown to hospital and remains in critical condition. Police are investigating the cause of the blast. According to unofficial sources a gas leak may have been responsible.