國際鋁業協會（IAI）：5月份全球原鋁產量爲615萬公噸。

On the 21st the IDF said it discovered an underground tunnel with four shafts and hundreds of weapons beneath the southern Lebanese village of Majdal Zoun, about 10 km from the Israel-Lebanon border, and that the 551st Brigade of its 91st Division is conducting operations there. The IDF said it killed more than 20 Hezbollah fighters during the operation, including over 10 members of the elite Radwan unit, and destroyed more than 50 military sites including observation posts and weapons storage facilities.

The Democratic Republic of Congo health ministry said on the 21st (local time) the current Ebola outbreak has reached 1,003 confirmed cases, including 254 deaths. The ministry's latest social-media update shows 100 recoveries and 365 patients currently isolated or hospitalized. Contact-tracing coverage is 58%, below the health ministry's 95% target. Authorities are increasing contact tracing and investigations, intensifying community mobilization, and expanding case management and testing capacity.