Noida police on Monday arrested a 33-year-old man after he called up the emergency number ''100'' and threatened to harm Prime Minister Narendra Modi, officials said.
The accused has been identified as Harbhajan Singh, who lives in Sector 66 and hails from Haryana, they said, adding the man appears to be a "drug addict".
"Harbhajan had called up 100 number and threatened to harm the prime minister. The local Phase-3 police station swung into action and traced the man, who was then arrested from Mamura," police official Ankur Aggarwal said.
"The accused is being questioned. Prima facie, he appears to be a drug addict. He has been sent for medical examination to ascertain other details," Mr Aggarwal said.
Police said further proceedings were being carried out.