What led to mob attack on Indian & Pakistani students at Kyrgyzstan hostels

Hours after India advised students in Kyrgyzstan to "stay indoors' in the wake of the mob attack on Indian and Pakistani students at Kyrgyz university hostels in Bishkek, the foreign ministry of the Central Asian nation has said that the "situation in Bishkek is calm and under full control'. Groups of locals attacked the students even as they shouted for help and pleading to go.