The Dalai Lama has slammed censorship in China as "immoral", following accusations that the Chinese government blocked him from traveling to South Africa to celebrate Desmond Tutu's 80th birthday.<br /><br />The Tibetan spiritual leader spoke with Tutu on Saturday, answering questions via a video link, instead of attending an event to honour the South African anti-apartheid activist a day after his birthday.<br /><br />His absence was symbolised by an empty chair at the event at the University of the Western Cape where he was meant to deliver an inaugural peace lecture.<br /><br />Al Jazeera's Gerald Tan reports.
