Bulandshahr (UP) | A man was held for questioning by the Uttar Pradesh Police in connection with a fire incident on a train in Kerala, which led to the loss of three lives including an infant, but was released later, a senior official said on Tuesday.

The incident happened on the Alappuzha-Kannur Executive Express train Sunday night. Around 9.45 pm, when the train crossed Kozhikode city, an unidentified man poured an inflammable liquid on a co-passenger and set him on a fire resulting in burn injuries to at least eight persons, police said.

The three persons, including a one-year-old child and a woman, were missing from the train after the incident, a senior police official from Kozhikode district had told PTI.

They were found dead on the tracks near Elathur railway station late that night.

The Anti-Terrorist Squad of the UP Police had held the man named Shahrukh for questioning in Bulandshahr based on a tip-off. The police team swooped in a house in Akbarabad under Syana police station area and took Shahrukh for questioning on Monday night, a senior official of the ATS told PTI.

He was released after questioning, the official said.

Shahrukh's father Yameen claimed his son was at home for the past two months and not gone to Kerala. He works as a carpenter in the district and has studied till class 10th, Yameen added.

He said police had taken Shahrukh from home last night and later he came to know he was released.