Amid the deadlock related to the National Herald case,Prime Minister Narendra Modi and other parliamentarians today paid tributes to the martyrs of the 2001 terror attack on Parliament. Members of both houses stood in silence for a brief moment, as a mark of respect to those who lost their lives in the attack on December 13, 2001.Along with Modi, Lok Sabha Speaker Sumitra Mahajan, Congress President Sonia Gandhi,former Prime Minister Manmohan Singh, veteran BJP leader L K Advani, Minority Affairs Minister Najma Heptulla, and Deputy Chairman of Rajya Sabha P J Kurien, were among those who paid floral tributes to the martyrs.Congress leaders Ghulam Nabi Azad and Anand Sharma, BJP MP Satyanarain Jatiya were among other members who attended a solemn ceremony held in the premises of Parliament on the occasion of the 14th anniversary of the attack. The Prime Minister also met some of the martyr's family members who were present. The Parliamentarians also observed silence in the honour of the martyrs. On December 13, 2001, five heavily-armed gunmen stormed the Parliament complex and opened indiscriminate fire, killing nine persons.