A newscaster in Greece has been covered with eggs and yoghurt by protesters who broke into the television studio.Epiros TV1 said 17 intruders, whose faces were hidden behind handkerchiefs, broke into the studio during the Friday evening newscast.Panagiotis Vourhas, who was interviewing a local politician, bore the brunt of the attack - apparently because the previous week he had invited an openly neo-Nazi party onto his talk show.