It's BACK!!
ITV Press release states Law & Order: UK Episode: 1 of 7 will be airing on Sunday, 10 July 2011, 9:00PM - 10:00PM (BST).
The series is produced by Richard Stokes, Emilia di Girolamo is co-producer and lead writer. The executive producers are Andrew Woodhead, Jane Featherstone and Stephen Garrett for Kudos and Dick Wolf, creator and executive producer of Law & Order, for Wolf Films.
(I'd have tagged S5 but there's no tag for that!)
x-posted hither and yon!