Poorest countries have little protection against Trump’s trade wars and growth slump

An “explosion” in corporate and household debt across the developing world since the financial crisis has left some of the world’s poorest countries with little protection against Donald Trump’s trade wars and a slowdown in global growth.

Canada’s Barrick Gold is buying Randgold Resources, creating the world’s biggest gold miner with a value of about $18bn (£14bn).

France’s government spokesman says that the country is seeking a solution with other EU members after humanitarian groups operating a rescue ship with 58 migrants aboard want to be allowed to disembark in the French southern port of Marseille.

Archaeologists have found a 400-year-old shipwreck off the coast of Portugal, in what one specialist called the “discovery of a decade”.

Spices, ceramics and cannons engraved with Portugal’s coat of arms all lie around the wreck, found near Cascais, close to the capital Lisbon.

An Indonesian teenager who looked after a fishing hut survived for 49 days at sea by cooking fish over wood taken from his vessel, it has emerged.

Aldi Novel Adilang was on the hut 125km (77 miles) off the Indonesian coast in mid-July when heavy winds caused its moorings to snap, casting the 18-year-old adrift.

The German carmaker Porsche says it will stop making diesel cars, and concentrate on petrol, electric and hybrid engines instead.

It follows a 2015 scandal in which its parent company, Volkswagen, admitted it had cheated emissions tests for diesel engines.

Locals say conditions have deteriorated since July’s contentious election, as world powers keep their distance

Zimbabwe faces a deepening economic crisis as hopes fade of a new wave of international investment and aid following historic elections in July.

Washington imposes $200bn taxes on Chinese goods, while Beijing targets $60bn of US goods

The United States and China have imposed new tit-for-tat tariffs against each other’s goods, the latest escalation in a heated trade war between the world’s two largest economies.

Teams of divers are painstakingly lifting an artificial reef made of tens of thousands of old car tyres from the seafloor south of France, after it was found to spread pollution from toxic chemicals.

The operation is costing well over a million euros ($1.1m; £898,000) and is part-funded by the tyre manufacturer Michelin as well as the French state.

The Guardian goes for a ride on the new AI-driven Combino vehicle developed by Siemens

Norbert Gresing shook his head as two teenage boys, deep in conversation and wearing earplugs, stepped out in front of his tram.