SkyNews report:
Police are treating this as a terorist attack, unless additional info shows otherwise.
from Sky News:
1) vehicle ran over series of pedestrians on bridge - up to 1 dozen ppl estimated
2) same vehicle smashed into people and front railings in front of Houses of Parliament — further casualties there
3) attacker left vehicle, managed to run into grounds “Old Palace Yard” — stabbed a police officer — other officers opened fire and shot attacker
Only one attacker definitely reported, same guy seems to have driven car and wielded the knife attack
One incident, 3 component parts
Police treating attack as “terrorist incident until we know otherwise”