That's all for today...published at 17:14 British Summer Time 7 June 2018
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After a third day facing "robust" questioning in the witness chair, Dr Ward can finally "leave the arena with a sigh of relief", says Sir Patrick.
Tomorrow morning we'll see DETI's former RHI scheme manager Stuart Wightman resume his evidence.
Join us from 09:45 and have a lovely evening in the meantime.