EU foreign affairs chief Catherine Ashton has strongly condemned a terrorist attack on a tourist bus in Sinai on Sunday which reportedly killed four people, including three South Korean tourists, and wounded many others. "The High Representative calls for the perpetrators of this heinous act to be brought to justice," the High Representative for Foreign Affairs and Security Policy's spokesman Michael Mann said in a statement. "The High Representative reaffirms the commitment of the EU to support the stability and security in Egypt to achieve a sustainable democracy and a better life for all Egyptians," he added.