Another Tibetan set himself on fire today.The self-immolation took place at the No.2 primary school in the besieged Ngaba town at around 6.30 pm local time.The Tibetan was heard raising slogans against the Chinese government while engulfed in fire.According to eyewitnesses, the Tibetan is believed to be a monk but his name and place couldn't be ascertained at the time of reporting.He was taken away immediately by soldiers and police, and his present condition and whereabouts are not known.Many parts of Tibet remain cut off from outside world with a prevailing situation of undeclared martial law following mass protests in recent weeks in which at least a dozen Tibetans are feared dead in police firings.

Two unidentified monks were arrested from the vicinity today. Their identities and whereabouts are also not yet known.