Police are appealing for witnesses and video footage following the assault of a man in Wilmslow.
At around 2am on Friday 28 July, the victim, a 32-year-old man, was asleep at an address on Twinnies Road when he woke to find two unknown men standing at the end of his bed.
The men attacked him with machetes and sprayed acid on his face. The men then fled the scene.
The victim was found to have sustained serious injuries and was taken to hospital for treatment.
Both men, believed to be of a medium build, wore balaclavas and black clothing, which may have been North Face.
An investigation into the incident has been launched and officers are urging anyone with any information to get in touch.
Detective Constable Gina Volp, of Macclesfield CID said: "We understand the concern this incident is likely to have caused, but we would like to reassure the public that we are doing all we can to establish what took place.
"There will be an increased police presence in the area and we would urge anyone with any concerns to speak to an officer.
"As part of our enquiries, we would like to appeal to anyone who witnessed the incident or has any information, to get in touch with us.
"We're also asking anyone who was in the area around the time of the incident to contact us if they saw anything suspicious which could aid our investigation.
"The same goes for those with any CCTV, dashcam, or Ring doorbell footage."
Anyone with information or video footage which may aid the investigation is asked to visit www.cheshire.police.uk/tell-us, or call 101, quoting IML 1606928.
Information can also be reported to Crimestoppers, anonymously, by calling 0800 555 111 or online via https://crimestoppers-uk.org/give-information/forms/give-information-anonymously.