The Sri Lankan Tamils' Protection Movement, an umbrella organisation of outfits like PMK, MDMK, VCK, CPI and the Tamil Nationalist Movement, on Friday asked the US to take all diplomatic measures to ensure a ceasefire in the island nation.
A memorandum in this regard was submitted to officials of the US Consulate general in Chennai by leaders of the political parties, including S Ramadoss, Vaiko and P Nedumaran.
Later, Nedumaran told reporters that a signature campaign expected to cover two crore Tamils, to draw the world's attention to the issue, would be held and then sent to US President Barack Obama and top leaders in Russia.
A spate of rallies would also be held - at Madurai on February 24, at Tiruchirapalli on February 28 and on March two at Tuticorin, demanding ceasefire, he said.