DUISBURG
38 Wellingtons; bombing was difficult because of cloud and Flak. 4 aircraft lost.
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ROTTERDAM
36 Blenheims in low-level attacks on shipping in the docks. Dutch reports later told of 22 ships being damaged in this raid. 4 Blenheims were shot down by the intense Flak. 5 further Blenheims carried out sweeps off the Dutch coast without loss.
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HAMBURG
107 aircraft - 51 Wellingtons, 32 Hampdens, 24 Whitleys - encountered bad visibility. 52 aircraft reported bombing in the general area of Hamburg; 52 aircraft bombed alternative targets. 3 Wellingtons and 1 Hampden lost.
Hamburg reports 4 fires - none large, no major damage area, only 1 person injured but 154 bombed out.
Minor Operations: 9 aircraft to Boulogne but the target was cloud-covered and only 3 aircraft bombed, 5 Hampdens minelaying in the Frisians, 6 O.T.U. sorties. No losses.
