News at Seven-Thirty highlights: Henry Tang will lead a committee to review proposals to prevent ageing trees from posing public danger; Pakistan Taliban claimed responsibility for the attack on a police academy in Lahore; Japan’s parliament has called on North Korea to cancel an impending rocket launch; Japan's government will come up with a third stimulus package to fight global economic crisis; Obama gave a final chance to General Motors and Chrysler; NASA unveiled a full-size mock-up of its next generation spacecraft to explore the moon; a women belived to be mentally ill went on a rampage; a panel tasked with coming up advice on minimum wage legislation met for the first time; newspaper vendors protested against the recent tobacco tax hike.