A man was arrested here by Noida and Mumbai police in a joint operation for allegedly threatening actor Salman Khan and demanding Rs 10 crore extortion money by posing as gangster Lawrence Bishnoi's brother, police said on Tuesday.They said the accused, Taib Ansari, told the police that he made the threatening call on a phone number picked from the internet -- which was a 'helpline' number issued by Mumbai Police..
