A man’s in a stable condition in hospital after he was stabbed in the back in Colchester.
The incident happened in Saint Johns Walk yesterday.
Meanwhile another man needed hospital treatment after he had an unknown liquid thrown at his chest and neck in Sussex Road a short time later.
A 19-year-old man has since been arrested on suspicion of grievous bodily harm with intent.
Police are treating these incidents as linked targeted attacks with no wider risk to the general public.
Anyone with information should contact Colchester CID on 101 quoting incident 181 or 215 of 19/08 or Crimestoppers anonymously on 0800 555 111.