The international development secretary met an Israeli charity that has showcased products of a company directly connected to the Tory peer who arranged the meeting.
The appointment of Sir Peter Ricketts, who led the 2010 strategic defence review, by Lockheed Martin has reignited concerns over the "revolving door" between government and big business.
British authorities are under pressure to investigate evidence seen by BuzzFeed News that shows spending in the UK on yachts, private schools, computers, and more from companies connected to the alleged £150 million fraud against Hermitage Capital.
Emails seen by BuzzFeed News reveal that a firm co-owned by Sir Lynton Crosby worked on behalf of a lawyer named by US prosecutors as part of a Russian gang linked to the $230 million Hermitage fraud and the death of Sergei Magnitsky.
Exclusive: A leaked UN document has revealed the Africa director of Soma Oil, chaired by the former Conservative leader, was being investigated for "possible links" with terror groups including al-Shabaab. The company has denied the allegation.