By Jacqueline Thomsen and Mike Scarcella

(Reuters) – Germany, France and different nations have accused Russia of warfare crimes within the city of Bucha simply exterior Ukraine’s capital Kyiv.

The mayor of Bucha mentioned on Saturday that 300 residents had been killed by Russian troops throughout a month-long occupation. Victims had been seen by Reuters in a mass grave and mendacity within the streets.

The Russian defence ministry in Moscow didn’t instantly reply to a request for remark when requested on Sunday about our bodies present in Bucha.

Russia has beforehand denied focusing on civilians and rejected allegations of warfare crimes in what it calls a “particular navy operation” in Ukraine.

Even earlier than Bucha, Ukraine and its Western allies accused Russian forces of focusing on civilians indiscriminately, citing the bombing within the southern port of Mariupol of a maternity hospital and a theater marked as sheltering kids.

Authorized consultants mentioned a prosecution of President Vladimir Putin or different Russian leaders would face excessive hurdles and will take years, as outlined under:

HOW IS A WAR CRIME DEFINED?

The Worldwide Felony Courtroom in The Hague defines warfare crimes as “grave breaches” of the post-World Battle Two Geneva Conventions, agreements which lay out the worldwide humanitarian legal guidelines to be adopted in warfare time. Breaches embody intentionally focusing on civilians and attacking official navy targets the place civilian casualties could be “extreme,” authorized consultants mentioned.

The USSR ratified the Geneva Conference in 1954. Russia in 2019 revoked its recognition of one of many protocols, however stays a signatory to the remainder of the agreements.

HOW MIGHT A CASE PROCEED?

The Worldwide Felony Courtroom’s chief prosecutor, Karim Khan, mentioned final month he had opened an investigation into attainable warfare crimes in Ukraine.

Neither Russia nor Ukraine is a member of the ICC and Moscow doesn’t acknowledge the tribunal. However Ukraine has given its approval to look at alleged atrocities on its territory relationship again to Russia’s annexation of Crimea in 2014.

Russia might determine to not cooperate with the ICC and any trial could be delayed till a defendant is arrested.

WHAT IS THE STANDARD OF PROOF?

The ICC will concern an arrest warrant if prosecutors can present “cheap grounds to imagine” warfare crimes had been dedicated. To acquire a conviction, the prosecutor must show a defendant’s guilt past an affordable doubt, consultants mentioned.

For many fees, that requires proving intent. A method to do that could be for a prosecutor to point out there have been no navy targets within the space of an assault and that it was not an accident.

“If it retains occurring time and again and the technique seems to be to focus on civilians in city areas, then that may be very highly effective proof of an intent to take action,” mentioned Alex Whiting, a visiting professor at Harvard Regulation Faculty.

WHO COULD BE CHARGED?

A warfare crimes investigation might give attention to troopers, commanders and heads of state, consultants mentioned.

A prosecutor may current proof that Putin or one other state chief dedicated a warfare crime by instantly ordering an unlawful assault or knew crimes had been being dedicated and failed to forestall them.

WHAT MAKES A WAR CRIME CONVICTION DIFFICULT?

Authorized consultants mentioned the bombings of the theater and maternity hospital in Mariupol seem to fall beneath the definition of warfare crimes. However securing a conviction could be tough.

Along with the challenges they face proving intent in lots of instances and linking leaders on to particular assaults, prosecutors can have a tricky time acquiring proof from a warfare zone, together with interviews with witnesses who may be intimidated or in any other case reluctant to talk.

Within the case of Ukraine, ICC prosecutors will comb by means of publicly out there video and photographic proof.

Bringing defendants to trial can be tough. Moscow is sort of sure to refuse to adjust to arrest warrants. The ICC must observe potential defendants to see whether or not they journey to nations the place they are often arrested.

ARE THERE ANY PRECEDENTS?

For the reason that ICC was shaped, it has overseen 30 instances, some with a number of defendants, its web site says. ICC judges have convicted 5 individuals of warfare crimes, crimes towards humanity and genocide, and acquitted 4 others. Congolese warlord Thomas Lubanga Dyilo was convicted in 2012.

The courtroom has issued arrest warrants for a number of defendants who stay at massive, together with Joseph Kony, chief of the Lord’s Resistance Military militia group in Uganda.

The United Nations in 1993 created the separate Worldwide Felony Tribunal for the previous Yugoslavia to look at crimes that befell through the Balkan Wars, which issued 161 indictments and sentenced 90 people.

A 12 months later, the United Nations arrange the Worldwide Felony Tribunal for Rwanda to guage these answerable for the genocide and different crimes dedicated there and in neighbouring states in 1994. It indicted 93 individuals and sentenced 62.

Authorized consultants have raised the potential of making a separate tribunal to look at potential warfare crimes in Ukraine, which may very well be performed by means of the United Nations or a treaty.