A bipartisan group of U.S. senators has introduced a resolution condemning a Uganda-based militant group and its leader for crimes against humanity.

At third of the senators back the resolution aimed at the group known as the Lord's Resistance Army and its leader, Joseph Kony.

Senator Chris Coons on Wednesday accused Kony of “unconscionable crimes against humanity” and said he and his commanders must be held accountable for war crimes.

The LRA is notorious for kidnappings, killings, and forcing children to join its ranks and fight against the government.

In October 2011, U.S. President Barack Obama announced he had authorized deployment of about 100 combat troops to central Africa to help with the fight against the LRA.

Kony is the subject of a web video called Kony 2012 that has gone viral in recent weeks and is meant to spread the word about his actions. Its popularity has been aided by backing from celebrities such as actor George Clooney and talk show host Oprah Winfrey.