Russian and Ukrainian officials met on the Belarusian border on Monday to discuss a ceasefire but the talks ended with no breakthrough.
Ukraine had said it wanted to secure an immediate ceasefire and the withdrawal of Russian forces while the Kremlin declined to comment on Moscow's goals.
The meeting ended with officials heading back to their respective capitals for further consultations before a second round of negotiations, RIA news agency quoted Ukrainian presidential adviser Mykhailo Podolyak as saying.
Russia calls its actions in Ukraine a "special operation" that it says is not designed to occupy territory but to destroy its southern neighbour's military capabilities and capture what it regards as dangerous nationalists.
The Western-led response has been emphatic, with sanctions that effectively cut off Moscow's major financial institutions from Western markets.
In Brussels, European Union foreign policy chief Josep Borrell said EU sanctions would have a cost for Europe "but we have to be ready to pay the price, or we will have to pay a much higher price in the future".
The EU will provide intelligence to Ukraine about Russian troop movements and EU countries are determined to increase their military support to Kyiv, Borrell said.
France said President Emmanuel Macron spoke to Putin on Monday and urged an immediate ceasefire and an end to attacks on civilians and infrastructure.
The US Federal Aviation Administration lifted emergency flight restrictions that had barred all flights to and from Texas' El Paso International Airport, which borders Mexico, after warning flights could be cancelled for 10 days, citing special security reasons.
Ten people, including the shooter, are dead after an assailant opened fire at a high school in western Canada on Tuesday in one of the country's deadliest mass casualty events in recent history.
Tropical cyclone Gezani slammed into Madagascar's eastern coastline, killing nine people in the Indian Ocean island nation's second-largest city, as walls of wind and rain left a trail of devastation, authorities said on Wednesday.
A Russian drone strike killed four people, including three small children and their father, in a town west of Ukraine's second-largest city of Kharkiv, Ukrainian officials said on Wednesday.
Cambodia has closed almost 200 scam centres in a crackdown on transnational fraud in recent weeks, with authorities providing rare access to one centre in a bid to show they are tackling the sophisticated operations.