Tuesday spacewalk postponed due to 'minor medical issue'

A spacewalk outside of the International Space Station including NASA astronaut Mark Vande Hei and Japan Aerospace Exploration Agency astronaut Akihiko Hoshide has been postponed due to a "minor medical issue," according to NASA.

source https://www.cnn.com/2021/08/23/world/nasa-spacewalk-postponed-scn/index.html