Berlin lorry attack: What we know so far

• Video report by ITV News Security Editor Rohit Kachroo

A truck which ploughed into a crowded Christmas market taking place outside the Kaiser Wilhelm Memorial Church on Monday evening was deliberately crashed in a suspected terrorist attack, police said.

Here's everything we know so far:

• Twelve people died and 48 were injured, 30 of them seriously
• Six Germans were among the dead
• The truck ploughed through a crowd at Breitscheidplatz square in the west of Berlin
• Berlin police said the incident was intentional and a suspected terrorist act
• A Pakistani refugee arrested near the scene has been released by authorities
• Authorities said they did not have enough evidence to pursue the case against the suspect
• The 23-year-old, who entered Germany in February, was reportedly known to police for minor offences
• He denied involvement and officials have said they are unclear if he was the driver
• A passenger in the lorry, named by his cousin as 37-year-old Polish national Lukasz Urban, was found shot dead on the passenger seat
• Police have yet to find the weapon