China and Pakistan share concerns about "spill-over effects of unilateral sanctions" on Russia over its war against Ukraine and called for a ceasefire and diplomatic resolution of the crisis, the Chinese foreign ministry said on Tuesday.

Old allies China and Pakistan have refrained from condemning Russia over its Feb 24 invasion of Ukraine, unlike Western countries that have imposed unprecedented financial and corporate sanctions in response to what Russian President Vladimir Putin calls a "special military operation".

"Both expressed concerns about...