A woman has been arrested in Siegen, Germany, after stabbing five people on a bus with a knife, leaving three in critical condition. The incident occurred on a bus traveling to a city festival in Siegen, a city in the state of North Rhine-Westphalia. The 32-year-old suspect was apprehended by police, who confirmed that there is no ongoing danger to the public. The attack comes just one week after a similar incident in Solingen, where a man stabbed multiple people, resulting in fatalities. The police are investigating the motives behind the Siegen attack, but have urged the public to avoid spreading misinformation on social media. The incident has sparked concern and raised questions about potential security vulnerabilities in public transportation.