LUCKNOW, Sept. 6 -- Threatening Instagram posts warning of "big surprise" and blasts have prompted Shamli police to strengthen security for the family of slain Haryanvi singer Ankit Balyan, officials said on Saturday. "Two days, 48 hours. big surprise soon." Another post says, "It's just the beginning. The blasts are yet to happen. if you want to see the blasts, stay connected with us." The posts appeared on accounts carrying the name and photograph of wanted sharpshooter Satyam Kadyan. Police are probing whether Kadyan operates the accounts or someone is using his identity. Shamli SP Narendra Pratap Singh said four additional policemen were deployed for the family. "Police are examining all aspects of the social media activity, including ...