Sources AP: DNA tests 99.9% certain of bin Laden`s death.
Obama: US forces took possession of body.
Officials say al-Qaeda leader has been buried at sea.
Is it revenge from the 9/11 incident?
Thousands of Americans have been celebrating.
Crowds gathered at Ground Zero in New York.
President Obama: 'Justice has been done'
US puts embassies around the world on alert.
CIA: Al-Qaeda will almost certainly attempt revenge.
Clinton: Thoughts&prayers for Bin Laden`s victim.
*Penemuruai`s comment: Love your enemy..revenge never solved critical problems.