The DDA ground in Burari in the outskirts of the national capital has been cleared of protesters who have been camping there since November-end, Delhi Police said on Thursday.The police said that 30 farmers have moved to the Singhu border and 15 others have been detained for their possible involvement in violence by protesters on January 26.The Burari ground was earlier given to the farmers for protest but the majority of farmers assembled at Singhu, Tikri and Ghazipur borders leaving very few protesters there.The development follows mounting tension between police and protesters at these three borders.