News at Seven-Thirty highlights: deadly traffic accident in Mong Kong resulted in 2 deaths and 8 injuries; Transport Department is being urged to take steps to ease congestion in Mong Kok; five new cases of H1N1 flu were confirmed today; 8 designated flu clinics are now up and running to receive patients with flu-like symptoms; official election results in Iran are pointing to a landslide victory for President Mahmoud Ahmadinejad; United Nations Security Council imposed tougher sanctions against North Korea; a Chinese submarine has collided with an underwater sonar array towed by American destroyer; Police have busted a suspected human smuggling ring on Lantau Island; legislators urged to improve the surveillance camera system in Mong Kok; Filipino domestic helper being accused of murdering her employer appeared in court today; visitor arrivals in HK dropped by 13 percent in May; former U.S. President George H.W. Bush took to the skies on his birthday; Transport Department is being urged to take steps to ease congestion in Mong Kok.