At least 12 insurgents belonging to the People's Revolutionary Party of Kangleipak (PREPAK) were killed in a nine-day long operation at Keibul Lamjao National Park area of Loktak Lake in Manipur. The operation codenamed ‘Summer Storm’ was jointly launched by the Army and the state police1.

• 1. “Ops Summer Storm called off,” Sangai Express, April 21, 2009, at http://thesangaiexpress.com/News_pages/Local_page-01.htm