News At Seven-Thirty highlights:Police uncover 100-dollar counterfeit notes;MTRC proposes pay rise of 4.5 to 6.8 percent;PBOC increases interest rate by 0.25 percent;WTO rules that curbs on Chinese exports of raw materials are illegal;Christine Lagarde takes the helm at the IMF;U.S. media says charges to be dropped against Strauss-Kahn;Massive dust storm hits Phoenix in Arizona;Britain s royal couple welcomed to Northwest Territories.;Home Affairs Bureau under fire for overspending at the East Asian Games;TVB did not assign Stephen Chan to 2009 countdown event, said witness;Labour Department urges employers to take preventive measures against hot weather;Emperor penguin recovering in New Zealand is expected to return home soon.