Federal investigators say they have no indication that the shooting was an act of terrorism.
"Any time bombs are used to target civilians, it is an act of terrorism, " Obama said.
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And he reiterated that Yemeni investigators believe that the attack was an orchestrated act of terrorism.
The Turkish government has been reluctant to call Monday's explosion an act of terrorism.
He acted alone, Shavack said, and the shooting was not an act of terrorism.
The State Department said the group has not committed a "significant" act of terrorism since then.
Parveen, a teacher, also denies a charge of inciting her brother to commit an act of terrorism.
But a much greater number may now be punished for an unconscionable act of terrorism in Jerusalem.
For example, the FBI declared immediately after the attack that it was not an act of terrorism.
No suspects have been identified in the case, which federal authorities are classifying as an act of terrorism.
"Pakistan is determined to ensure that its territory is not used for any act of terrorism, " he said.
They are accused of failing to disclose information to the authorities which could have prevented the act of terrorism.
Jose Sarney, president of the Senate and a former President of the Brazil, called it an act of terrorism.
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President Obama said that what happened in Boston was an act of terrorism.
His first suspicion, not surprisingly in modern-day London, is that he's seen an act of terrorism in his city.
Roddis denies one charge of preparing for an act of terrorism in 2011.
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And given what we now know about what took place, the FBI is investigating it as an act of terrorism.
The attack did more than any other act of terrorism to bring the two countries to the brink of war.
And all those involved in the attempted act of terrorism on Christmas must know-you too will be held to account.
We do not want the bodies of people who have committed an act of terrorism to be buried in our cemeteries.
Nevertheless, a White House official was quick to stress after the statement that this was being treated as an act of terrorism.
It has now been more than a week since the attempted act of terrorism aboard that flight to Detroit on Christmas Day.
Republicans accused the administration of an election-year cover-up of an act of terrorism and repeatedly pressed for more information about the attack.
Initially, officials weren't told whether the incident was an act of terrorism.
But what is the White House's definition of an act of terrorism?
It has also been alleged that he collected information likely to be useful to a person committing or preparing an act of terrorism.
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However, top lawmakers declared the deadly incident an act of terrorism, and a White House official said it was being treated that way.
While police were still working the crime scene in London, British Prime Minister David Cameron said the attack was probably an act of terrorism.
But federal authorities are classifying it as an act of terrorism.
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