Richard himself visited Essex, where he met with a rebel delegation, seeking confirmation of the grants the King had given at Mile End.
The rebel delegation is lead by the group's chairman, Alexis Kanyarengwe, and includes representatives of its political and military wings.
Ana Guadalupe Martinez, a senior member of the rebel delegation, said: "It has been terrible.
LEAD: Talks aimed at ending the Angolan civil war were suspended today when the rebel delegation requested consultations with their leaders, according to news reports.
A rebel delegation agreed to many things they had flatly rejected in the past.
President Fox lobbied Congress to accept the rebel delegation and pass the rights bill, saying Mexico's Indians had been "exploited, humiliated, robbed and discriminated against."
The Government offered an immediate cease-fire, but the rebel delegation rejected the idea.
When the rebel leaders agreed to the terms, Hamilcar detained the rebel delegation.
A statement by both sides said some members of the rebel delegation could not reach the site of the talks in time.
The rebel delegation is seeking a postponement of several days.