Police also seized explosives from a guest house being used by the members of the group on the outskirts of the city.
Members of the Joint Ethnic Freedom Front, who were planning to explode bombs at different places in the capital city were arrested today, claimed the Kathmandu Metropolitan Police Circle.
Six people including Sita Devi Yadav, the coordinator of the armed outfit, were arrested and explosive materials, communication equipment and mobile phones seized from them during a raid, police said.
Police also recovered pamphlets belonging to the armed group and its donation receipts, police said.