New Delhi, Aug 20 : Signs of continuous fast for the past four days might have started showing on his face, but anti-corruption crusader Anna Hazare is relentless in his spirit. On the fifth day of his fast Saturday, he said he'll "not give up".

"I have lost 3.5 kg over the past four days... but there is nothing to worry," the Gandhian said, as the crowd of supporters at the Ramlila ground in central Delhi cheered.

"I will not give up... we will keep fighting until we get the Jan Lokpal bill passed," he added.

Sitting at an elevated platform at the ground where he and his team have been given permission by the Delhi Police to continue their protest from Friday until Sep 2, Hazare has been drawing massive crowds from all across the country.

He has been on fast since Tuesday in demand for a strong anti-corruption Lokpal Bill.(IANS)