Sri Lanka's Tamil Tiger rebels have said a snap poll called by the president is a "grave setback" to peace efforts.
a February 2002 ceasefire with the government.
on hold for 10 months.
entire country into serious political instability,"
Balasingham, who is based in London, said.
longest lull in fighting since the start of the war in 1983.
About 64,000 people have been killed since then in a brutal conflict that has devastated the resource-rich island.