From itv UK

• One of the attackers, 22-year-old Youssef Zaghba, was a subject of interest to counter-terrorism police in Italy
• Khuram Butt, 27, and Rachid Redouane, 30, and Zaghba carried out the deadly assault in the London Bridge area on Saturday night
• Butt was known to the security services but there was no evidence of "attack planning", counter-terrorism police have said
• A man has been arrested on suspicion of terror offences in Ilford in connection with the attack
• Prince Harry has paid tribute to the victims and survivors of the attack