India, Nov. 9 -- The 24-year-old with far-right views who killed six people and wounded 15 others in a shooting in a Polish city square died in the hospital on Monday, police said.

The attacker, wearing military-style clothing and a bulletproof vest, drove into the Main Square in Krakow's Old Town and opened fire. The location is a major tourist destination in Poland's second-largest city, and several foreigners were among the dead and wounded. Police said the man continued firing even after he was wounded by police officers. He had been in critical condition in the hospital since the attack.

Authorities also found the bodies of the assailant's sister, mother and father at the man's family home in Ostrowiec Swietokrzyski, a city about 1...