Priest killed and four injured in knife attack at Polish abbey

A priest has been killed and four other people injured in a knife attack in south-east Poland, officials have said.
A 31-year-old Ukrainian man was arrested after the stabbings on the grounds of a Catholic abbey in the town of Jarosław.
Polish President Karol Nawrocki said Thursday's attack "has shaken us all and demands a firm response from the state", while his Ukrainian counterpart Volodymyr Zelensky said "we are shocked by this evil".
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