Harpreet Singh alias "Happy Malaysia", a resident of Amritsar in Punjab who was carrying a reward of Rs 10 lakh, was arrested shortly after he arrived at the airport from Kuala Lumpur.
A team of the National Investigation Agency (NIA) will travel to Germany to question the member of designated terror group Sikh for Justice (SFJ) Jaswinder Singh Multani for his alleged involvement in the Ludhiana blast case, said a senior officer on Friday.