Three youths from Karnataka were picked up for questioning for moving "suspiciously" near Chikoti gardens in Begumpet area today, police said.
"The trio, who hailed from Bidar, claimed that they were engineering students and came here to attend interview, but could not produce any proof to support their claim," a senior police officer said.
Police said the trio were moving "suspiciously" and further investigations are on to establish the details.
