Top Bharatiya Janata Party (BJP) leaders including party chief Nitin Gadkari, senior leaders LK Advani, Sushma Swaraj, Arun Jaitley, and Rajnath Singh went on a 24-hour fast at Rajghat in the capital on Sunday evening against the detention of Baba Ramdev late on Saturday. The party has also called Ramdev to resume his 'satyagraha' in Haridwar today for 24-hour nationwide protests against the incident.