Top 10 world news: Ukrainians escape besieged Sumy through corridor, and more

Ukrainians boarded buses to flee the besieged eastern city of Sumy on Tuesday, the first evacuation from a Ukrainian city through a humanitarian corridor agreed with Russia.Iran said on Tuesday that it has successfully placed a military satellite in orbit.

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President Joe Biden is expected to announce a ban on US imports of Russian oil on Tuesday, in the latest sanction in response to Moscow's invasion of Ukraine, according to US media.

The exodus fromSumy, where 21 people were killed in Russian air strikes late Monday, comes despite Kyiv branding Moscow's renewed offer of escape routes from several cities as a publicity stunt, since many lead straight to Russia or its ally Belarus.

The list included all those nations which have reportedly conducted "unfriendly actions against Russia, its companiesand citizens", according to Russian news agencies.

"Iran's second military satellite,named Nour-2, has been launched into space by the Qassed rocket of the aerospace wing of the evolutionary Guards and successfully placed in orbit 500 kilometres (310 miles) above the Earth," the official IRNA news agency reported.

Almost two weeks into theRussianinvasion of their country, Ukrainian forces have managed to hold up theadvanceof their foes with resistance that has won plaudits from Western allies.

The ongoing Russian invasion has not elicited any military reaction from the West but US and other allies have moved to impose economic sanctions aimed at crippling Russian economy. As a further step in this direction, the US is planning to ban oil imports from Russia.

A top Chinese health official rallied embattledHongKongon Tuesday tostickwith a "dynamic zero" coronavirusstrategyand warned that the city's "lifeline" health system was at risk and the situation had to be turned around as soon as possible.

Russia is looking for potential alternatives of theSWIFT international payments network after the West imposedthe most crippling financial penalties yet on the country over its unrelenting invasion of Ukraine.

Israelipoliceshot dead aPalestinianmanafterhe stabbedtwoofficersat a gate toJerusalem's walled Old City, apolicestatement said. It was the second such incident intwodays.

The UN rights chief said Tuesday she would make a long-delayed visit to China in May, including to Xinjiang, where Western lawmakers have accused Beijing of genocide.

The lieutenant general son of Uganda's president said on Tuesday he had retired from the military, in a move widely seen as preparing the ground for a potential run for the presidency in 2026.