News brief: Big stories of the day

Facebook investors have called on the company's chief executive Mark Zuckerberg to step down as chairman following reports that the company hired a public relations firm to smear its critics, a media report said on Saturday.

Prime Minister Narendra Modi arrived in Male on Saturday to attend the swearing-in ceremony of Maldives President-elect Ibrahim Mohamed Solih, who surprisingly defeated strongman Abdulla Yameen in September.

A motorist accidentally hit and killed a protester taking part in a campaign of road blockades across France on Saturday, as thousands gathered on motorways in a backlash against higher fuel taxes.

The Argentine Navy submarine that went missing a year ago off the country's Atlantic Coast was found by a private company involved in what had been a massive search for the vessel and its 44-member crew, the Navy announced by tweet on Saturday.

The Congress demanded Saturday that Goa governor Mridula Sinha summon a special session of the legislative assembly and ask the BJP-led coalition government to prove its majority.