At least four people have been killed at a US-backed police raining center in Jordan.
Those killed include two American contractors, one South African contractor and a Jordanian.
The gunman was killed and at least five others were wounded.
Local media reports suggest he was a Jordanian police officer working at the training center.
US President Barack Obama says they are trying to establish what happened...
IN: Obviously a full investigation...
OUT: ...to them.
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