How to get "cap" elements?

Example XML: https://alerts.weather.gov/cap/us.php?x=0
More about "cap" namespace: http://docs.oasis-open.org/emergency-adopt/cap-feeds/v1.0/cn02/cap-feeds-v1.0-cn02.html#_Toc382489980

Is there a way to get these elements with this gem?