India, April 7 -- The man who breached the Delhi assembly complex on Monday had been trying to "meet a minister" to seek help in tracing his missing nephew, his family said a day after his arrest, claiming he was in distress and off medication.

Delhi Police on Monday arrested Sarabjit Singh, 37, a resident of Uttar Pradesh's Pilibhit, and booked him for attempted murder, criminal trespass and obstructing public servants after he rammed his Tata Sierra through barricades to enter the assembly premises in Civil Lines. He then placed a bouquet in the Speaker's unlocked vehicle before leaving; he was arrested within two hours from Roop Nagar.

On Tuesday, his family said Singh had been "disturbed" after learning that his 20-year-old nephew h...