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A British citizen was among six people killed in a mass shooting in Krakow, Poland, after a gunman opened fire in the city's busy main market square on Saturday afternoon.
But what happened during the attack, who was responsible, and what do authorities know about the suspect?
The shooting took place at around 3pm local time in Krakow's main market square, a popular tourist destination frequently visited by international visitors.
According to Polish police, the attacker was wearing military-style clothing and a bulletproof vest when he fired randomly at people from a black car, triggering panic across the area.
Polish authorities confirmed that six people – four women and two men – were killed in the attack. Among them was a British national, while the identities of two other foreign victims had not been established at the time of the police announcement.
Police chief Marek Boron confirmed on Saturday night that three victims were Polish citizens, one was British and two had yet to be identified.
A further 16 people were injured, including two police officers and five foreign nationals. According to the police chief, 11 of those injured were Polish citizens.
Authorities have not provided further details about the nationalities or medical conditions of all the injured victims.
Video footage from the scene showed a police officer firing several shots at the attacker from close range before collapsing to the ground.
Other footage showed blood on the ground, with bystanders attempting to perform CPR on two injured people. Another victim appeared motionless nearby.
The suspected gunman was also injured during the police response and was later described as being in a "stable but very critical" condition.
A police officer who sustained serious injuries underwent surgery and was reported to be in a stable condition.
Interior Minister Marcin Kierwinski said police officers responded within three minutes of receiving the emergency report.
He said their quick intervention prevented what could have become an even larger massacre.
The suspect is a 25-year-old man whose identity has not yet been publicly released.
Polish Interior Minister Marcin Kierwinski said investigators believed the suspect had been influenced by far-right ideology and held "ultra-nationalistic" views.
Police spokesperson Andrzej Fijolek told broadcaster TVN 24 that the attacker used an AR-15 rifle during the shooting.
He also confirmed that the suspect had a firearms licence.
Police subsequently discovered additional weapons and ammunition inside the suspect's black car.
What Did Police Find at the Suspect's Home?
Investigators are also examining the suspect's home in Ostrowiec Swietokrzyski, approximately 100 miles (160km) northeast of Krakow.
On Sunday morning, Polish police confirmed that three people found dead at the property – two women and a man – were the suspect's parents and his 21-year-old sister.
Prime Minister Donald Tusk said authorities suspected a significant quantity of weapons could be inside the property. A drone was reportedly used to inspect the premises.
Local media reported that residents were evacuated while counter-terrorism police carried out searches.
Investigators are continuing to examine the suspect's background, possible motives and any connections that may have influenced the attack.
How Has the UK Responded?
Following confirmation that a British citizen was among those killed, Prime Minister Andy Burnham expressed his shock and sadness over the incident.
He said: "I'm shocked and saddened by the appalling shooting in Krakow today.
"My thoughts are with the families of those who have lost their lives, everyone injured and all those affected by this senseless violence. The United Kingdom stands in solidarity with the people of Poland."
Mass shootings are extremely rare in Poland, where firearm ownership is relatively limited compared with several neighbouring European countries.
The country has approximately 411,000 firearms licences among a population of around 37 million people.
Daniel Tillies, editor-in-chief of Notes from Poland, described the incident as an unprecedented event for the country.
Speaking to Sky News, he said violent crime was uncommon in Poland and firearm-related crime was even rarer.
He added that a mass shooting of this nature had never previously occurred in the country.
However, Poland experienced several stabbing incidents at schools in the Mazovia province last month, leaving one person dead and several others injured.
Authorities said those incidents were influenced by violent and extremist content circulating online.
Investigations into the Krakow shooting are continuing, with police examining evidence from the crime scene, the suspect's vehicle and his home.
Authorities are also working to establish the identities of all victims and determine the full circumstances surrounding the attack.
Meanwhile, Krakow Mayor Lukasz Gibala has announced an official period of mourning until Wednesday in memory of those who lost their lives.
