
Ukraine has agreed with Western partners that any persistent Russian violations of a future ceasefire agreement would trigger a co-ordinated military response from Europe and the US, the Financial Times reports, citing people briefed on the discussions.
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Reuters could not immediately verify the report.
The plan was discussed on several occasions in December and January between Ukrainian, European and American officials and would involve a multi-tiered response to any breaches of an agreed armistice by Russia, the report said.

The report emerged ahead officials from Kyiv, Moscow and US special envoy Steve Witkoff meeting in Abu Dhabi on Wednesday and Thursday for talks aimed at ending the war.
As per the proposal, any Russian breach of a ceasefire would prompt a response within 24 hours, starting with a diplomatic warning and, if necessary, action by Ukrainian army to halt the infraction, the FT said.
If hostilities continued beyond that, the proposal would move to a second phase of intervention using forces from the so-called coalition of the willing, which includes many EU members and the UK, Norway, Iceland and Turkey, the report said.
The report added that in the case of an expanded attack, a co-ordinated response by a Western-backed force, incorporating the US military would be triggered 72 hours after the initial breach.
Earlier, President Volodymyr Zelenskiy says it's realistic to achieve a dignified and lasting peace, ahead of the next round of peace talks.
Speaking after discussions with his negotiating team, Zelenskiy said the Ukrainian delegation would also hold bilateral meetings with US officials during the two days of talks in Abu Dhabi.
"We consider the bilateral security guarantees document with the United States to be complete, and we anticipate further substantive work on documents related to recovery and economic development," Zelenskiy said.
The Kremlin also confirmed that the next round of talks will take place in Abu Dhabi.
Zelenskiy said Russia had not carried out any targeted missile or drone strikes on Ukrainian energy infrastructure in the last 24 hours although energy facilities in frontline areas have come under fire.
However, Russian forces attacked Kyiv early on Tuesday, with initial reports saying apartment blocks and other buildings had suffered damage.
Reuters witnesses reported loud explosions in the city and said both missiles and drones were being deployed.
Tymur Tkachenko, head of the city's military administration, said on Telegram that several apartment buildings, an education establishment and a commercial building had been damaged in districts east of the Dnipro River.

Kyiv Mayor Vitali Klitschko ordered emergency medical crews to affected parts of the city.
Ihor Terekhov, the mayor of Kharkiv, Ukraine's second-largest city, said Russian missiles and drones were also attacking his city in northeastern Ukraine.
The governor of southeastern Dnipropetrovsk Region said his region was also under attack and anti-aircraft units were in action in neighbouring Zaporizhzhia region.
Earlier, Zelenskiy said energy repair crews had managed to restore energy facilities damaged when high-voltage power lines malfunctioned over the weekend, on top of the damage caused by frequent Russian attacks.
"The (energy) system is operating stably. However, given the extremely cold weather and the impact of Russian strikes, all challenges remain serious," Zelenskiy said on the Telegram app.
Russia and Ukraine said last week they halted strikes on each other's energy infrastructure but disagreed on the time frame for the truce.
The Kremlin said Trump had made a personal request to Russian President Vladimir Putin to refrain from striking Kyiv until February 1.
Zelenskiy said the truce was supposed to last for a week, starting on January 30.
with DPA
Australian Associated Press
