Red Fort blast accused extracted urea from urine to make bombs, Lal Mandir was original target

Red Fort blast accused Umar Un Nabi extracted urea from urine to make bombs, National Investigation Agency (NIA) claimed in its chargesheet. It stated the original target appears to be Lal Mandir. The accused tried to park his car near Lal Mandir but couldn't do it due to traffic and police presence. He took a U-turn and reached Red Fort.