News At Seven-Thirty highlights: On high alert after avian flu outbreak; NT taxi new fare may start mid-January; Survey showed 90% firms have no lay-off plans; China survey ships sailed to Diaoyu islands; 12 arrested in Pakistan for Mumbai attacks; 3 killed in San Diego fighter jet crash; Violent riots in Greece continue; Tax deferral requests jumped 50 percent; Ocean Park panda AnAn attacked keeper; 5-minute fireworks display for 2009 New year.