Analysts say Russia has recently made only incremental gains in its slow and costly advance against Ukrainian defenses.

Ukrainian President Volodymyr Zelenskyy is facing protests across the country after signing a controversial bill on Tuesday.

Semen Kryvonos, director of the National Anti-Corruption Bureau of Ukraine (NABU), said he was taken aback by attempts this week to curtail his agency's fight against graft but did not name those who may have been behind the legislation.