ISLAMABAD, Dec 11: Intelligence agencies were interrogating senior officials of the Khan Research Laboratories (KRL) to know who leaked the news about two missing senior nuclear scientists of the KRL to press, informed sources told Dawn on Thursday.

They said the officials being interrogated included those who had closely worked with KRL founder Dr Abdul Qadeer Khan.

They said intelligence personnel have also requested KRL officials for a meeting with Dr Khan.

KRL Director-General Dr Yasin Chohan and Director of Laboratories Dr Farooq have been reported missing for the last one week.

When contacted, a spokesman for the Ministry of Interior expressed his ignorance about the whereabouts of the two scientists.

“The KRL has not shared information about the disappearance of its scientists with the interior ministry,” the spokesman said.

When asked whether the KRL scientists were picked up by any international intelligence agency, he said: “The interior ministry knows nothing about the matter.”