Libyan authorities expressed regret on Wednesday over the decision by Palestinian president Mahmud Abbas to postpone his visit to the North African nation.
"We see no reason for postponing the visit and we regret the postponement of this visit," said Mohammed al-Harizi, spokesman of the ruling National Transitional Council, adding that he saw no reason for it.
Abbas was expected to arrive in Tripoli on Tuesday after visiting Tunis. Instead, he continued to Amman and was due back in the West Bank on Wednesday.
Harizi said the decision to push back the visit was taken under the advice of the Palestinian ambassador to Libya, who expressed "security concerns."
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Dozens of former rebels on Tuesday staged protests outside NTC headquarters until interim leader Abdel Jalil came out to cool the crowds.
Such rallies are a regular occurrence.
In a separate incident on Tuesday, clashes left two people dead.
"Two people died" in an operation to arrest outlaws, Harizi said, adding that one of the victims was a member of a renegade militia and the other part of a revolutionary brigade.
Local media reports said the clashes in the capital were over a militia's refusal to vacate state property.