In the wake of the serial blasts in Hyderabad Thursday, intelligence agencies are scanning alerts that came in soon after the hanging of Afzal Guru a fortnight ago. Sources said focus is on alerts regarding threats from Lashkar-e-Toiba and Jaish-e-Mohammad.

Though officials said it was too early to link the blasts to a particular group, they did have information about some kind of a retaliatory attack. Home minister Sushil Kumar Shinde also admitted that they "had information about an attack for the past two days". Read