News at Seven-Thirty highlights: 4 Immigration Department staff associations ask for higher entry level salaries; Observatory will consider issuing Standby Signal No.1 later tonight; members of a union at New World First Bus threatened to go on strike for a pay rise; Philippine President will cut short her U.S. visit to pay tribute to former president; Iran arrested 3 Americans who crossed border from Iraqi Kurdistan; a gunman opened fire at a gay youth club in Israel killing 2 people and injured 11; Cuban President said he’ll not change his country's communist system; Viadimir Putin showed his concerns for the environment; over 800 mainland visitors set off on a cruise journey to Taiwan via Hong Kong; 2 local organizations protested against plans to demolish the Star Ferry bus terminus; Bishop John Tong pledged to help victims of sexual abuse within the church; youth unemployment rate could shoot up to 30 percent after the results of HKCEE is out; about 700 Mui Wo residents marched to call for the reopening of a secondary school; Turkish factory collapsed during its demolition.