Police are looking for three people in connection with the attacks.
Three men were sprayed with a liquid, believed to be ammonia, in two attacks outside a London nightclub. The incidents are being treated by police as homophobic hate crimes.
Metropolitan Police
One of the men hurt in the first attack has been warned he may never see again. Speaking to Evening Standard, he said: "He poured every last drop onto us and then turned around and walked away, like it was mission accomplished."
A CCTV image of the three people the police are looking to identify.
Metropolitan Police