OUR STAFF REPORTER LAHORE Law enforcing agencies on Friday detained a Russian national from The Mall road, where he was taking pictures of key government installations and the participants of a rally, taken out by PPP workers in support of President Asif Ali Zardari. Police sources said that the man, identified as Mr Andray, was released shortly after his sister, a resident of Waris Road, produced his travel documents and other identification papers to the police investigators. Mr Andray was taking pictures of sensitive buildings located at The Mall when the DSP Mughalpura police along with other policemen observed his activities and took him into custody. Police sources said that Andray had come to Pakistan to see his sister, who is residing here at Waris along with her Pakistani husband Aman Ullah. The police released the man after his brother-in-law and sister reached the police station and produced the documents before the policemen.