thank you, katrina renton.rea. they are collecting the foyer area. they are collecting the fragments. we've heard from frank gardener, al security correspondent, we think that salman abedi was only the mule. we now speak to a former counterterror officer who worked for the met police in the 7/7 bombings in 2005. there was work done on the bombs used in 2005. what did you learn from that and how may be similar to the event here in manchester? we learned in 2005 was that the explosive devices were used using fairly innocuous substances. they we re fairly innocuous substances. they were made out of hydrogen or oxide. we diagnose the component form of this bomb, and it's quite important that police find out what that is. we wa nt that police find out what that is. we want to find out where the items we re we want to find out where the items were purchased, the component parts, in order to move investigations forward. we will be looking at cctv at the places where these items were purchased. we need to understand th

katrina renton is our correspondent at greater manchester police headquarters.what police there are telling you about the latest in this continuing investigation. we've got some more detailfor you now. we heard that overnight one man was arrested in the moss side area of manchester and we understand there will are several searches going on in properties across the north—west in england. in a pizza shop in merseyside and in a barber's in moss side in manchester. the number of arrests is up to ten. a 16—year—old boy has been released, a 3k old woman was raised earlier in the week both without any charges. that leaves eight people in custody aged between 18 and 38. they are all men, one of them salman abedi's older brother. they are felled because they are suspected of terror offences and no one has been charged. taking progress, considerable progress, in this investigation but the terror threat still remains at critical. one senior security source at the bbc has said this is partly because of concerns of copycat attacks. he said there is as much concern about the

katrina renton is there and has been on that particular part of the campaign trail today. the general election but the eve of polls for the council elections. the first minister nicola sturgeon is with me. this has been a citadel for labour, glasgow council, for the past 37 yea rs. glasgow council, for the past 37 years. what you expect to happen tomorrow for the snp?” years. what you expect to happen tomorrow for the snp? i take nothing for granted but this is my own constituency, the south side of glasgow that for years was represented by labour and now has an snp memberof the represented by labour and now has an snp member of the scottish and westminster parliament. so we will be out tomorrow urging people to vote snp for a stronger local services right across the country. in glasgow it is about getting rid of generations of labour mismanagement but about —— it is about childcare, more affordable housing, supporting businesses and devolving power down to local communities across the country. that is our agenda and i hope people will vote for it tomorrow. you will have h

katrina renton at saint hans square in manchester, where tributes are being paid to victims of mondayann's square. and in a few moments, we'll be speaking to two doctors who were working at manchester's main trauma centre on the night of the attack. they have been looking after a number of patients this week, so we will be hearing their thoughts and reflections in just 80 will be hearing their thoughts and reflections injust 80 minutes. —— a view minutes. —— a few. leaders of the world's leading industrial nations, the g7, have failed to reach agreement on climate change at a summit in italy. members had hoped donald trump would join the rest of the world in combating climate change but differences remain between the us president and other countries. 0ur rome correspondent james reynolds is in sicily for us. we will come onto climate change and just a moment, but first, we will come onto climate change and justa moment, but first, even we will come onto climate change and just a moment, but first, even fear in the wake of the terror attack in manchester are dominating the early pa rt

katrina renton with the latest on the police investigation there.ly here, the threat level as catriona was seeing is the highest level, means a terror attack could be imminent. there have been a number of emergency cobra meetings taking place at downing street over the past 48 hours since this attack was carried out. let's go live to downing street and speak to norman smith who the photos. the home secretary confirming around 1000 troops will be deployed today andi 1000 troops will be deployed today and i have to say that rather underlines how seriously the security services, officials and ministers view the current threat. the military are almost never used in mainland britain, we have the police force, and unarmed police force which polices by consent, it is extremely rare to use the military. nevertheless it has been decided that up to around 4000 will be available to buttress the police. i think that a significant. you should not expect to see soldiers walking up and down the street or ta nks walking up and down the street or tanks on the road,

we are going to talk to katrina renton at greater manchester police headquarters as a huge investigationmorning, it isa manchester police. this morning, it is a fast—moving investigation they are dealing with. across greater manchester today, officers have been brought in, not just manchester today, officers have been brought in, notjust into the investigation but visibility so the public has reassurance the police are out there in the face of this terrible tragedy. it is confirmed 22 people died, 59 injured. they are still in eight hospitals across the greater manchester area. chief co nsta ble greater manchester area. chief constable ian hopkins spoke this afternoon and he was quick to say he was treating this as a terrorist incident. they believe it was conducted by one man and the priority is to establish whether he was acting alone or is part of a network. the attacker, he confirmed died at the arena and he believed he was carried this improvised explosive device, as we talked about this morning. the very important message to the public is not to speculate on his details or share na

renton is at st anne's square in manchester city centre. our news correspondent clare fallon is at greater manchester police headquarters. katrinawith people still coming to the city centre to pay their respects. this has become a focal point for people to come into the city centre today to pay their tributes. the striking thing, you will see the numbers from the pictures, how many people are here, the growing number of tributes, balloons, flowers, but also a silence, the number of people you would imagine it to be quite noisy but it is a very quiet. i can also update you on the hospital figures because we know it 22 people died in that tragic attack but we now have comprehensive figures for the number of people still in hospital. 116 people have been treated since monday, 63 are still in hospital across a site in greater manchester and 20 are in critical care. people have been coming here to reflect with a mixture of emotions, sadler, anger, defiance, people wanting the city to go on and come back to some sort of normality. two people herejoin the poor who are from manchester needs your love. tell us all about this. since the e

renton is at greater manchester police headquarters. we have had that briefing in the last 20 minutes also, katrina. about 20 minutes ago. he did make some significant points in that statement. he was talking about the eight people in custody. there had been nine arrests but a female was released in the early hours of the morning with no charges. he said these arrests had been significant. that was an unusual thing for the chief constable to save at this stage of investigation. he said eight and had been recovered that we re eight and had been recovered that were important to the investigation but would not give any detail. said that items. he also talked about the leaks from the american media showing the photographs of the suspected fragments of the bomb, and also a rucksack. he was not speaking about that in terms of intelligence sharing with partners, he would not be commenting on that, but what they did say that this caused distress to the families who are already suffering terribly and he would not be commenting on those arrangements. today we understand that greater manchester police are furi