At least 62 inmates died Tuesday and several were injured in riots blamed on gang rivalry at three jails in Ecuador's overcrowded prison system, authorities said.

Pharmaceutical giant AstraZeneca said Tuesday its EU supply chains would only be able to deliver half of an expected supply of Covid-19 vaccines to the bloc in the second quarter -- but that it would look to make up the shortfall from elsewhere.

"The United States has no closer friend than Canada," Biden said, setting the tone for the get-together conducted by video link between the White House and Trudeau's office in Ottawa.

British Prime Minister Boris Johnson called a virtual meeting of the United Nations Security Council on Tuesday where he urged fellow leaders to take immediate action on the climate crisis or face worsening global instability.

A Finnish court began hearing witness testimony in Liberia's capital Monrovia on Tuesday, as part of a first-of-its-kind war-crimes trial in the country.

Emma Coronel Aispuro, 31, a regular attendee at her husband's trial two years ago, was arrested at Dulles International Airport in northern Virginia, and is expected to appear in a federal court in Washington on Tuesday.

Treasurer Josh Frydenberg and Facebook indicated a compromise had been reached on key aspects of a law that would force global tech companies to pay news companies for content that appears on their platforms.

Today, in the face of growing government hostility and vitriol from Turkish President Recep Tayyip Erdogan towards lesbian, gay, bisexual and transgender people, the young gay man says he has just one wish: to leave.

Canadian MPs voted Monday to label Beijing's treatment of its Uighur minority as genocide, hours after China claims its policy in Xinjiang is a "shining example" of human rights progress.

President Joe Biden ordered flags lowered to half mast Monday after the United States crossed the "heartbreaking" milestone of 500,000 Covid-19 deaths, while Britain eyed lifting lockdowns in the latest sign of global gains against the pandemic.

Gab instead of Twitter, MeWe over Facebook, Telegram for messaging and Discord for insiders -- banned from mainstream platforms, US conspiracy and supremacist movements, many of which support Donald Trump, have shifted to networks that are more confidential, and harder to regulate.

Why does the world's leading power have the highest death toll and what lessons are American health specialists learning from the past year?

Analysis from Public Health England has shown the vaccine manufactured by Pfizer-BioNTech reduces the risk of catching infection by more than 70 percent after a first dose. That risk is reduced by 85 percent after a second dose.

The law explicitly allows the Chinese coast guard to use weapons against foreign ships that Beijing sees as illegally entering its waters, sparking fears in Japan it would target Japanese vessels sailing around the Senkaku Islands.

"I have just had confirmation that all the 777s equipped with this engine have been grounded," she said in a text message to AFP.

The warning came after three demonstrators were shot dead over the weekend, and the funeral on Sunday for a young woman who died from bullet wounds at an earlier rally.

The freeze comes as Australia begins to promote its newly launched Covid-19 vaccination rollout with a nearly US$20 million public information blitz aimed at boosting uptake and countering a flood of anti-vaccine conspiracy theories.

FAA Administrator Steve Dickson said the order meant some 777s would "likely" be removed from service. 

Kim and Trump first engaged in a war of words and mutual threats, before an extraordinary diplomatic bromance that featured headline-grabbing summits and a declaration of love by the former US president.

The deal was announced by Saudi Arabian Military Industries (SAMI), which said it will own 51 percent of the venture, as it seeks to boost the kingdom's military capabilities.

Prime Minister Boris Johnson, who will outline the lockdown review in parliament on Monday, said the faster inoculation campaign would seek to offer a first dose to everyone aged over 50 by mid-April.

But the Biden administration has made clear that it will inherit his predecessor's tough line toward China, while how it plans to engage with North Korea remains unclear.

While shops were open to all, access to leisure sites like gyms and theatres was limited to vaccinees or those who have recovered from the disease with presumed immunity, a so-called "Green Pass" status displayed on a special Health Ministry app.

There were no injuries on the plane or on the ground, authorities said.

Prime Minister Scott Morrison was injected with the Pfizer/BioNTech vaccine at a medical center in Sydney's northwest, in what the government said was an effort to boost public confidence in the vaccinations.

Millions of residents in the United States' biggest oil and gas producer have dealt with power outages, and nearly half of Texans struggled on Friday with disrupted water service. Nearly two dozen deaths have been attributed to the storm and a cold snap.

The pair of vessels intruded in succession into the waters near the group of uninhabited islets, claimed by China, in the East China Sea at around 10:15 a.m., before leaving the zone nearly two hours after, the Japan Coast Guard said.

Entering the gate of the Codogno cemetery, with its four massive pillars and "Resurrection" written in Latin overhead, the ravages of coronavirus are not immediately apparent.

As President Joe Biden takes up crises from Iran to Myanmar to climate change, one aspect of his approach has been strikingly consistent -- seeking rock-solid cooperation with allies.

A leaked list of potential ambassador candidates circulated widely on Friday, sparking fresh debate on the necessity of political appointees.