British Police believe van attacker acted alone

LONDON, England-- British Police say they have arrested one man in a deadly early morning van attack.Security forces say a 48-year-old man drove into a group of people outside the Finsbury Park mosque, killing one person and injuring 10 others.Police are investigating the attack as suspected terrorism, saying it had all the hallmarks of a terrorist incident.London police are urging calm, and deploying extra police resources around the city.British Prime Minister Theresa May will hold an emergenc