Sleuths from the National Investigation Agency, which is probing the attack plans of suspected Lashkar-e-Tayyeba operative David Coleman Headley, on Sunday conducted search operations at five locations in Mumbai.

The investigators were looking for possible leads to the US national’s contacts. Headley, now in FBI custody, visited Mumbai nine times between 2006 and 2009. It is suspected that he did recces of some of the spots targeted during the 26/11 strike.

Home ministry sources said the NIA conducted operations in Goregaon, Pali Hill, Khar and Lokhandwala (Andheri), apart from the Breach Candy flat where he stayed.

The NIA also seized documents from a chawl in Motilal Nagar, Goregaon, where Fahim Ansari, who allegedly prepared maps for the 26/11 attackers, lived.

The premises in Lokhandwala, Pali Hill and Khar belong to three individuals with suspected Bollywood links, with whom Headley had contact.

The NIA will question filmmaker Mahesh Bhatt’s son Rahul, sources said. The Centre pn Sunday said no one had been given a clean chit in the case.