Lisbon – The Indonesian police has still under custody 25 out of the 33 East Timorese students arrested last week after breaking into the Austrian embassy, sources told Lusa.

Sources at the East Timorese resistance, speaking to Lusa on Tuesday, denied the announcement made on Monday by an Austrian diplomat that all the students had been freed, saying that 25 of them were still under custody.

The youths entered the Austrian embassy on March 27 to stage a demonstration in support of East Timor's self-determination right and seek a meeting with the United Nations (UN) envoy visiting Indonesia, Jamsheed Marker.

Indonesia invaded East Timor in 1975 and annexed it one year later but the UN still regards Portugal as the territory's administering power.

Lisbon has demanded that East Timor be given the right to self-determination.

The UN has sponsored talks between Portugal and Indonesia in the last 15 years but they have failed to produce any results.