Police received an information about a foreign tourist using satellite phone in Loichaya village of the district on July 9, Add S P N L Pavan today said, adding the special branch of police is investigating the matter.
The district police had yesterday called four tourist guides for questioning in this regard.
A list of foreign tourists who visited the city on July 8 and stayed here for couple of days is being prepared.
However, police said that there was no report of the tourist being involved in anti-national activities so far.