A former Syrian military photographer, using the pseudonym Caesar, demanded Wednesday that the U.S. stand with the Syrian people and halt the killings by the Bashar al-Assad regime.

Speaking at a Senate Foreign Relations Committee hearing, Caesar said the Assad regime has used the international community’s inaction as a green light to continue his crimes against Syrians.

“For nine years, the United States has watched as we live in bombardment and torture. We beg of you, as an administration, to do right for the Syrian people and look at the Syrian people as brothers and sisters in humanity.


Read more: Syrian whistleblower demands US end Assad killings