Russian authorities claim to have contained the massive spill in Norilsk, but a whistleblower and an environmentalist tell CNN the damage is much worse than disclosed and poses a threat to the ecosystem of the Arctic Ocean. CNN's Frederik Pleitgen reports.

In a brief set of prepared comments, Tucker Carlson (finally) addressed the revelation that his now-former top writer, Blake Neff, was secretly posting racist and sexist material on an online forum.

A driver deliberately crashed a bus full of passengers into a reservoir in southwestern China, hours after discovering his house had been demolished, local police said Monday.

Venezuelan migrant workers, who left the country when its economy collapsed, are trying to return as coronavirus cases surge across the region. Now thousands are stuck at the Colombia border in worsening conditions. Stefano Pozzebon reports.

Portuguese authorities have conducted searches in three wells, according to witnesses, near where British toddler Madeleine McCann disappeared 13 years ago.

Every dollar invested in a sustainable ocean economy can yield at least five times the return in benefits, according to a new report commissioned by the High Level Panel for a Sustainable Ocean Economy.

Alibaba founder Jack Ma has sold billions of dollars worth of his shares in the Chinese ecommerce company over the past year as its stock has skyrocketed by about 50%. Ma, one of China's richest people, cut his stake from 6.2% to 4.8%, according to the company's annual report.

Braving scorching conditions, a new wave of coronavirus infections and government warnings they could be breaking the law, hundreds of thousands of Hong Kongers took part in a primary election for the city's democratic opposition over the weekend.

• COVID-19 UPDATES: There are at least 3,286,025 US coronavirus cases • Overtourism was a curse before the pandemic. When visitors return, it has to be different