Police today offered a reward of £10,000 in the hunt for the killers of father-of-three Jimmy Millen.
The reward was announced by murder squad detectives working on Operation Darnel eight days after Mr Millen, 27, was gunned down on a Hastings council estate.
A police spokeswoman said officers hoped the reward for information leading to the arrest and conviction of the killers would give them the breakthrough they need.
She said: "We have been flooded with calls which the murder inquiry team is working through."
Yesterday police revisited the murder scene to collect statements from people who might have been overlooked in the early stages of the inquiry.
Police said no major lead had surfaced as a result of the visit to the spot where boxer Mr Millen, of Taylor Close, Hastings, was murdered in broad daylight last Wednesday afternoon.
He was shot four times in the back by a pillion passenger on a black motorbike.
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