Just picked this up:
Ben Brown is being replaced as captain of Sussex's county championship and One Day Cup sides.
A Sussex statement said: "Sussex Cricket’s men’s 50-over and Championship teams will be led by new captains. Tom Haines will captain Sussex Sharks in this season’s Royal London Cup. A captain for Sussex’s remaining LV= Insurance County Championship fixtures will be announced in due course.
"Permanent appointments for the roles will be made following the conclusion of the 2021 season. Luke Wright remains Sussex Sharks T20 captain.