dan 0'brien, bbc points west.way through cumbria today — on his latest charity walk. mick cullen is going from john 0'groats to lands end — raising money for mental health charities — wearing just his swimming trunks. he's already passed £100,000 — and ian haslam has been with him this morning. hello and welcome to the lancashire—cumbria border. we are here with speedo mick who is on another one of his marathon walks. mick, what day are you on now? i am on day 43, day 43. day 43. are you feeling the cold? iam. i felt the cold every single day of this walk. it has been... yeah, it has been terrible. tell me why you are doing this latest walk. we are trying to raise awareness of mental health and suicide prevention, which has skyrocketed since the pandemic. and obviously it is a cause close to your heart, isn't it? what kind of response have you had from people you see when you do your walk? a lot of families coming out who have been sharing their tragic stories of family members taking their own lives and connectin

to do the intelligence long-term to uncover it can be very difficult and i would say with director brien: and conversations about the nature of here on the front land it is a law enforcement challenge and a real challenge for professionals not only here in this country but also increasingly in other parts of the western world within europe. and so even as we deal with that challenge which can be considered oftentimes less sophisticated we have to be very vigilant about the organizations based overseas. and that's principally al qaeda and isis. those two even after the years of 9/11 distress still exists and it's incumbent upon us to stay laser focused on that to make sure the counterterrorism effort here in the homeland targets terrorism and internationally on the spilt on partnership to make sure we manage it. >> so we are sitting in washington d.c. so i have to ask barely a week goes by without another arrest here in the united states related either to someone that's inspired by isis or al qaeda or someone who wanted to fight abroad were didn't go come the homegrown that you describe b