BEIJING, April 28 -- China called on all parties to resolve the Ukrainian crisis via dialogue rather than sanctions, Foreign Ministry spokesman Qin Gang said Monday.

Qin told a daily press briefing that China has been in touch with all relevant nations, including G7 nations, since the Ukrainian crisis erupted, and made clear the nation's stance on the issue.

China has always opposed threats or sanctions in international relations, said Qin.

"We believe that sanctions are inconducive to the solution of problems. On the contrary, they will escalate tensions," he said.

It is not in line with any side's interests to impose sanctions, he added. "We call on all parties concerned to continue dialogue and negotiations so to resolve the crisis in a political way."

The G7 leaders agreed Friday night to impose more sanctions on Russia over its "inaction" in easing the tension in eastern Ukraine. Russia denies being responsible for the crisis there.

Russia's foreign ministry said it was working to resolve the observer crisis, which it blamed on Kiev for failing to ensure the mission's safety in "areas where the authorities do not control the situation and where a military operation against residents of their own country has been unleashed."

Ukraine has been plunged into a chaotic violence since November 2013 following a government backtrack on European integration which angered many in the west of the country.

It was hit by a fresh wave of unrest after Crimea left Ukraine to join Russia last month.