Activists and human rights activists participated in a rally on a bus that roamed some of the streets of the British capital towards the Saudi embassy, demanding an end to arms deals with Saudi Arabia and the UAE.
The participants in the march held the Saudi authorities responsible for pursuing activists and attempts to harm them in various regions of the world.
The march also called for an end to the continued infliction of losses and grave damage to unarmed Yemeni civilians, and demanded an end to the war on Yemen.
Earlier, a British non-governmental organization revealed that London had sold wiretapping devices, spyware and other wired and wireless communications equipment that could be used to spy on opponents to countries it described as "oppressive", including Saudi Arabia, China, the UAE and Bahrain.
Freedom House pointed out that despite laws that prohibit the United Kingdom from exporting security goods to countries that might use them for internal repression, British ministers have signed deals worth more than 75 million pounds (about 95 million dollars) over the years. The past five to export such equipment to 17 countries that suppress freedoms.
The organization stated - as reported by The Independent newspaper - that the UAE was the largest beneficiary of these deals, as the value of licenses obtained reached 11 million and a half million pounds (14.5 million dollars) since 2015.
The newspaper quoted human rights organizations in the United Kingdom as saying that Britain has always been known as a country that does not conduct enough investigations into whom it sells weapons to, while the opposition Labor Party called on the government to prove its compliance with the rules it had set for itself against arming dictators.