PC Francis Vasko, said: “I would like to speak to any members of the public, local residents or patrons of the First In Last Out pub who may have witnessed the assault.
“If you have any information please get in touch with us and tell us what you know in confidence.”
Two men, aged 28 and 30, both from Winchester, have been arrested on suspicion of assault occassioning actual bodily harm and have been released on police bail pending further enquiries. They are due to return on April 10.
Anyone with information should contact PC Vasko at North Walls police station on 101 or call Crimestoppers, the charity, anonymously on 0800 555 111.
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Tuesday afternoon's forecast for the west of the region
Tuesday afternoon's forecast for the east of the region
Forecasts show around 480,000 people are to move through Gatwick airport over Easter period.