NEW DELHI: Lashkar-e-Tayiba, the Pakistan-based terrorist outfit, has plans to attack three or four ''high profile targets,'' including an atomic energy installation, according to National Security Advisor MK Narayanan.
 
''It is an Let operation that we know... It is a very serious threat,'' Narayanan told Karan Thapar for a programme to be telecast on CNN-IBN on Sunday.
 
Asked whether there was intelligence information about serious threats from terrorist organisations, he said, ''there is information that maybe one of our atomic energy installations could be a target.''
 
He, however, refused to say whether some individuals were also being targeted by terrorists, stating that he would be ''ex-communicated'' if divulged details. He said all that he could say was that it was an Let operation and that the threat was very serious.