*U.K. April industrial output down 12.3% annually, consensus 12.4% decline

*U.K. April industrial output rises 0.3% on month, consensus 0.1% fall

*UK April total trade deficit GBP 3 bln vs. GBP 2.7 bln deficit in March

*Pound Slips Against Dollar Amid UK Economic Reports; Pair Now Worth 1.6401

*U.K. April manufacturing output up 0.2% on month, consensus 0.1% rise