New Delhi: Three days after four Class X students went missing while bathing in the Yamuna near Hiranki Road in outer north Delhi, rescue teams Wednesday recovered the bodies of two of them—Rahul and Amandeep, both 15. Efforts were on to trace Anshu and Saurabh.The boys had gone to the river Sunday evening along with another friend who survived. Police said the four of them had waded into the river together. The survivor later said that the group had formed a human chain and walked towards a rocky stretch of the river before they were swept away by a strong current.