LUCKNOW, May 29 -- Three arrested espionage suspects will be brought face to face during their ongoing police custody remand to ascertain whether they had links with one another while allegedly spying, arranging funds and doing other work for Pakistan's spy agency Inter-Services Intelligence (ISI), senior U.P. Anti-Terror Squad (ATS) officials said on Wednesday.

These three men are Rampur resident Shahzad Wahab, Tufail Maqsood of Varanasi and Delhi resident Mohammad Harun.

The trio had initially denied links with one another during preliminary questioning conducted after their arrest during the ongoing crackdown to smash the Pakistani spying network operational across different states, U.P. ATS officials said.

U.P. ATS arrested Shahzad...