At the same time that Parsons Green Tube bomber Ahmed Hassan, whose device injured 51 when it partially exploded on a carriage in September, was being jailed for life in London yesterday, armed police in France had to shoot dead a gunman who had taken hostages in a town supermarket.
The scale of the issue is shown by the fact that a total of 600 investigations are currently running in the UK into 3,000 suspicious individuals, with a further 20,000 people flagged as being of concern, including both supporters of IS and far-right groups.
Preventing attacks is made more difficult by the growing trend of lone attackers armed with low-tech weapons such as knives and vehicles targeting innocent people in public places.
Stopping every aspiring terrorist from slipping through the net in this context is a near-impossible task and has meant armed police patrolling streets and shopping centres is now a common sight.
Both those frontline officers and the counter-terrorism police and security services who are working so hard to keep us all safe deserve the nation’s thanks and gratitude, especially as more than a dozen planned attacks in Britain have been thwarted in the last four years.
Counter-terror police in Yorkshire say they now need the public’s help more than ever before. People should trust their instincts and report concerns that may appear minor - such pieces of information could prove to be highly significant in building a bigger picture about potential terrorist activity and ultimately save lives.