An elderly man was discovered dead after falling from a block of flats in St Leonards.
Sven Legnelius, who was 93 had been discovered to have multiple injuries consistent with a fall from height.
A 54 year old man has been detained by Police on suspicion of pushing the man off the block of flats.
DCI Mike Ashcroft, who is heading the investigation said: “We have been in touch with the man’s family and are providing them with support during this time.”
We would ask any witnesses who please get in touch with Sussex Police on 101.