Man in his 30s is stabbed to death and another is injured in Essex as police arrest teenagers aged 15 and 17 on suspicion of attempted murder after a 16-year-old boy was shot in the head in Wolverhampton The 16-year-old boy in Wolverhampton is in critical condition in hospital Police arrested two teens on suspicion of attempted murder and a 20-year-old on suspicion of assault In Colchester, Essex, a man in his 30s was stabbed to death shortly after 1am Another man, of no fixed abode, was injured in the same incident but fled the scene and police are concerned for his welfareBy Joel Adams For Mailonline Published: 09:17 BST, 7 May 2019 | Updated: 10:43 BST, 7 May 2019 A 16-year-old boy was shot in the head and is in critical condition, and a man in his 30s was stabbed to death, in another night of armed violence on the streets of England. In Wolverhampton the teenager is in critical condition after being shot and two teenagers aged 15 and 17 have been arrested on suspicion of attempted murder, West Midlands Police said. In Colchester, Essex, at around 1am a man in his 30s died of stab wounds in the arms of paramedics, and police are searching for another man believed to have been injured in the incident. Police have erected a forensic tent at the site where a 16-year-old boy was shot in the head The location, near Graiseley Street, in Wolverhampton has been sealed off by police Residents described hearing a loud bang followed by the sound of sirens as emergency services arrived Officers are guarding the area as colleagues appeal for information to help with their investigation Officers were called to Graiseley Street in the Pennfields area of Wolverhampton just before 8pm on Monday, where they found the teenager with a gunshot wound to his head. A 20-year-old man has also been arrested on suspicion of assault. The victim was taken to hospital where he remains in a serious condition. Inspector Ade George, from the force's CID team, said: 'I am appealing directly to anyone who was in the area and saw what happened to contact us if they have not already done so. No matter how insignificant you feel the information may be, it could really help with our investigation as we continue to follow forensic and CCTV enquiries.' A local resident, Abbey James said on Facebook 'This is right at the top of my street. I heard two loud bangs then constant armed police, helicopter and ambulance sirens'. The victim was taken by ambulance to The Queen Elizabeth Hospital in Birmingham. The West Midlands area, like London, has seen an increase in violent crime including murder In Essex emergency services were called to Buffett Way shortly before 1.10am today, where a man who had been stabbed died despite efforts by paramedics. A second man is believed to have been injured but left the scene before emergency services arrived. He has been identified as Robert Brown, 44, of no fixed address. He has links to Braintree and Colchester. Detective Superintendent Stephen Jennings, of the Kent and Essex Serious Crime Directorate, said: 'It's really important that we find Robert Brown as he may be seriously injured and we and his family are very concerned for his welfare. 'We ask Robert or anyone who knows where he is to please get in touch so that we can make sure he is okay and he received any medical treatment he might need. 'We are continuing our enquiries into the circumstances surrounding the incident, and we'd like to speak to anyone who was in the Buffett Way area in the early hours of this morning and saw what happened or anything suspicious.' Share or comment on this article: Sorry we are not currently accepting comments on this article.All rights reserved for this news site dailymail and under his responsibility