LUCKNOW, March 12 -- The Uttar Pradesh Anti-Terrorist Squad (ATS) arrested an Indian Navy sailor from Agra on Tuesday on charges of allegedly spying for Pakistan's intelligence agency, the Inter-Services Intelligence (ISI), barely three days after he returned from his honeymoon in Dubai, senior officials said on Wednesday.

Investigators are also examining his recent foreign trip as part of the ongoing espionage probe.

The accused, identified as Adarsh Kumar Singh alias Lucky, a seaman in the Indian Navy, was apprehended from his native village Chitpur under Kagarol police station limits in Agra district. Officials said he had returned to India last Saturday after travelling to Dubai with his wife following their wedding.

Adarsh married...