March 19 (Reuters) - Al Qaeda leader Osama bin Laden urged Somalis in a new audio tape on Thursday to topple moderate new president Sheikh Sharif Ahmed, who is struggling to deal with insurgents in the lawless Horn of Africa country. More than 60 messages have been broadcast by bin Laden, his second-in-command Ayman al-Zawahri and their allies since the Sept. 11 attacks in 2001. Following is a timeline of some major statements attributed to bin Laden in the past two years. Sept. 7, 2007 - Bin Laden appears in his first videotape for nearly three years, to mark the sixth anniversary of the Sept. 11 attacks on the United States. In a message to the American people, bin Laden says the United States is vulnerable despite its economic and military power. Nov. 29, 2007 - Bin Laden urges European countries in an audiotape to end their alliance with U.S. forces in Afghanistan. March 19, 2008 - Bin Laden threatens the European Union in an audio recording with grave punishment over cartoons of the Prophet Mohammad. March 20, 2008 - Bin Laden urges Muslims to keep up the struggle against U.S. forces in Iraq as a path to "liberating Palestine". May 16, 2008 - Bin Laden, in an audiotape, urges the fight against Israel to continue and says the Israeli-Palestinian conflict is at the heart of the Muslim battle with the West. The speech was addressed to "Western peoples". May 18, 2008 - Bin Laden urges Muslims to break the Israeli-led blockade of the Hamas-controlled Gaza Strip, and fight Arab governments that deal with the Jewish state in an audiotape posted on the Internet. Jan. 14, 2009 - Bin Laden, in an audiotape, calls for a new jihad over Gaza and says the global financial crisis has exposed waning U.S. influence in world affairs and that it will in turn weaken its ally Israel. March 14, 2009 - Bin Laden accuses moderate Arab leaders of plotting with the West against Muslims, in an audio recording aired by Al Jazeera television. March 19, 2009 - Al Qaeda leader Osama bin Laden urges Somalis in a new audio tape on to topple moderate new president Sheikh Sharif Ahmed.
The body of a South Korean tourist killed by a bomb is handled by rescue workers upon its arrival from Yemen at Incheon International Airport, west of Seoul, March 19, 2009. ...