In Ostrava, Czech Republic, a man opens fire in a hospital's waiting room, killing seven people before fleeing, then shooting himself dead.
A mass shooting at a Halloween party at a residence in Long Beach, California, by at least one gunman, who is believed to have targeted the party but to have fired at random, kills three and injures at least nine, with some having significant injuries.
A man opens fire in a tram in the city of Utrecht, Netherlands, killing three people and injuring nine others, before fleeing. Terrorism is suspected by authorities. A 37-year-old Turkish man is arrested.
2013 Bulgarian protests: At least 10 people are injured in the Bulgarian capital Sofia, as tens of thousands turn up for rallies in 10 cities, a day after Prime Minister Boyko Borisov sacked his Finance Minister Simeon Djankov. The government revokes the license of Czech company ČEZ due to high electricity prices, which helped fuel the 9-day protests.