LUCKNOW, Feb. 21 -- Sambhal police on Thursday arrested Mohd Ghulam, a key associate of Dubai-based gangster Shariq Satha, for allegedly plotting to kill Supreme Court lawyer Vishnu Shankar Jain during the violence that erupted amid the second round of the Shahi Jama Masjid survey on November 24 last year. A large cache of foreign-made arms and ammunition was recovered from Ghulam, linking him to the conspiracy....