A force is investigating three other knife-related incidents in Peterborough over the weekend.
The persistent pollutants which build up in the environment have been linked to serious illnesses.
British Transport Police said the “heroic” LNER staff member had tried to stop the attacker.
Authorities say the five mountaineers who died while scaling Cima Vertana are German.
Admiral Giuseppe Cavo Dragone tells the BBC the Russia-Ukraine war is bogged down, and it is “almost time to sit and talk”.
The Paris prosecutor says four suspects arrested so far are “clearly local people”, not organised crime professionals.
Days after Hurricane Melissa hit, communities are isolated with little food, no water, and no idea of when normalcy will return.
Nine people have life-threatening injuries, police say, with counter-terror police joining the investigation.
China has repackaged Xinjiang into a tourist haven, touting “ethnic” experiences that activists say it’s trying to erase.
Emergency services rush to the scene at Huntingdon train station after stabbing attack that injured at least 10 people.