Two men were arrested on suspicion of public order offences during today's demonstration. Hertfordshire Police said:
The men were arrested from within the confines of the trespass banning areas and they are being taken to a police station.
More top news
Sunderland players have offered to refund travelling supporters the cost of their match tickets following their 8-0 defeat at St Mary's
Conservative MP Philip Davies says parents, not teachers, should be responsible for teaching their children about sex and relationships.
The tail end of Hurricane Gonzalo will bring windy and wet conditions this afternoon and evening, becoming calmer overnight.