Police arrested Sakthivel (35) of T. Orathur in Ulundurpet have on charges of unauthorisedly carrying explosive substances.
Sakthivel, riding a motorcycle, did not stop when police signalled to him at Nannavaram on Tuesday night. Police gave him a chase and nabbed him. He was carrying 100 detonators and some amount of slurry without valid documents.
Police seized the explosive substances and the two-wheeler.
The department also filed a case against licensed dealer M.Dharanidharan of M.Kunnathur for having supplied the explosive materials to an unauthorised person in violation of permit rules.