[Andy Mitchell]

Here is a little bit more.....

""..and 2 April witnessedII/KG53 mount two such sorties. The he 111s came in about 09.00, one being hotlt engaged by Norwich guns which claimed hits. But Luftwaffe concentration remained upon shipping and the gruppe homed in at 10.56 to heavily attack a minesweeper off Walberswick. Three more Heinkels joined them and at 12.30 attacked HMS Lorna Doone."

This was from "Air Raid" by Michael Bowyer (PSL Publications)

In the same paragraph there is mention od a possible Erpr.210 Me 110 crossing the coast at Tostock to drop two 250Kg on Norwich.