India, Oct. 12 -- A 65-year-old retired IAS officer and his 36-year-old advocate son have been arrested after a 48-year-old man died following an alleged physical altercation over a seat reserved for senior citizens inside a Delhi Metro train on Thursday, police said on Sunday.

Police identified the deceased as Pawan Sharma, who was travelling with his mother, Durga Devi, 65, to Yamuna Vihar.

Police identified the accused as Sanjay Pratap Singh, a retired IAS officer and resident of Sector 44, and his son, Sidharth Singh, both residents of Noida.

"According to the investigation, a dispute broke out after Sanjay Pratap and his son Sidharth boarded the train at Mandi House metro station", a senior officer said.

The two accused allegedly...