New Delhi, May 21 (ANI): Various politicians visited Veer Bhoomi and paid tributes to former prime minister Rajiv Gandhi on early Sunday morning. The nation is observing the 26th death anniversary of Gandhi today. Rajiv Gandhi's wife and Congress President Sonia Gandhi, daughter Priyanka Gandhi, son-in-law Robert Vadra and Congress Vice-President Rahul Gandhi were in attendance at the memorial. President Pranab Mukherjee, Vice-President Hamid Ansari and former UPA prime minister Manmohan Singh also arrived here to pay their respects. Rajiv Gandhi was assassinated in 1991 during an election rally in Tamil Nadu's Sriperumbudur.