Altogether five persons, two of them undergoing treatment for injuries at SCB Medical College and Hospital in Cuttack, have been confirmed as Maoists by West Bengal police on Sunday.
The police detained them at the medical college and more police teams are coming from the neighbouring state to investigate, sources said.
"A nine-member police team which arrived here from Jhargram of West Midnapore district confirmed on the basis of intelligence inputs that the detained patients and their attendants are Maoists and their sympathisers," sources said.
"We are expecting another police team from West Midnapore district to confirm the facts," said a senior police officer of the city here.
The Cuttack police had taken into custody the two patients who had come to the referral hospital here for treatment with multiple injuries.
Seeing the wounds caused probably by blast of explosive materials, local police suspected them to be Maoists and informed police in West Bengal, sources said.
The three attendants of the patients were taken into custody and the police began to question them.
Their incoherent statements made the police more suspicious and the treatment of the patients began under strict police vigil, officials said.
The patients are currently undergoing treatment in ear, nose and throat (ENT) department of the hospital, security inside and around the hospital was tightened, a senior police officer said.