Police have arrested three men on suspicion of GBH in connection with a stabbing in East Grinstead in the early hours of Friday morning, October 15.
Officers attended the Bridge Bar in the High Street at 1.45am and found a man with stab wounds.
On Saturday, he was continuing to receive treatment at the Royal Sussex County Hospital.
According to officers, the victim and friends had earlier been drinking inside the bar when there was an altercation with another group who were asked to leave.
The interaction continued outside and resulted in a brief chase, during which the victim was injured.
All three arrested men are in their 20s, and were detained on suspicion of GBH with intent.
A witness appeal has begun, with reports welcomed either online or by calling 101 quoting serial 101 of 16/10.
The appeal extends to any footage or photographs obtained at the time.
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