Security alert on ajmer railway station as Pakistani pilgrims arrives from special train to join urs fair during the annual Urs (death anniversary) of Sufi saint Khwaja Moinuddin Chishti in Ajmer, Rajasthan, India on May 23, 2012. The Urs is observed to mark the death anniversary of the saint, known for his philosophy on religious tolerance. Photo by Himanshu Sharma/Indian Photo Agency