The Oklahoma Legislature files a measure asking for Congress to impeach Barack Obama over his decision to allow transgender students to use the bathrooms corresponding to their gender identity. (KOCO)
A highly-reported execution of convicted murderer Kho Jabing occurs at 3.30pm on 20 May 2016 amidst local and international pleas to the government of Singapore to revoke the scheduled execution. (The Straits Times)
Iraqi security forces fire tear gas and water cannon on protesters attempting to storm the Green Zone in Baghdad, injuring at least 33. (Bloomberg)(WSJ)
The Iraqi government imposes a curfew in Baghdad. (Reuters)