Two lifeboats and a helicopter have been sent to search for a crewman missing in the Channel, the UK coastguard said.
It received a distress call at 18:30 BST that a crew member of a merchant vessel had fallen overboard 30 miles south east of Selsey Bill, West Sussex.
A rescue helicopter from Lee-on-Solent and RNLI lifeboats from Newhaven and Shoreham have been dispatched.
Several merchant vessels were also heading to the area.
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