Jon Hanssen-Bauer, Oslo's newly appointed emissary, travelled to the rebel-held northern town of Kilinochchi on Wednesday for discussions with the Liberation Tigers of Tamil Eelam (LTTE), officials and the rebels said.
A Tiger website said Hanssen-Bauer was accompanied in a military helicopter by Norway's ambassador to Sri Lanka, Hans Brattskar.
The Tigers said he was holding talks with LTTE political wing leader S.
P. Thamilselvan but gave no details.
The envoy's visit came as the government's main Marxist ally, the JVP, or People's Liberation Front, called for expelling Norway as a peacebroker.
JVP spokesman Wimal Weerawansa accused Oslo of bias in favour of the Tamil Tigers and charged that it could become the first nation to recognise a separate Tamil state in Sri Lanka.
"Norway will be the first country to accept them (Tigers)," Weerawansa said in remarks published in the Daily Mirror newspaper.
Norway rejects any allegation of favouritism toward the rebels.
The JVP call c