ISIS may be overshadowed by Ebola news lately, but they’re as big a threat as ever. Recently-released footage purportedly depicts British aid worker Alan Henning‘s murder at the Islamic State’s hands:

BREAKING NEWS: New video released by Islamic State appears to show beheading of UK aid worker Alan Henning pic.twitter.com/iWfhTGJGgq — Lisa Daftari (@LisaDaftari) October 3, 2014

The Islamic State has released a new video in which it shows the purported beheading of British aid worker Alan Henning. — Erin Cunningham (@erinmcunningham) October 3, 2014

Savages. RT @dcexaminer: RT @ap BREAKING: Internet video purports to show Islamic State group beheading British hostage Alan Henning. — Sean Agnew (@seanagnew) October 3, 2014

Our world is too f**ked up for words right nowRT @AP: Video purports to show Islamic State group beheading British hostage #AlanHenning — Cameron Gray (@Cameron_Gray) October 3, 2014

RIP Alan Henning, Prayers for his loved ones. A thousand eternities in Hell for his murderers. — Michelle Ray (@GaltsGirl) October 3, 2014

RIP Alan Henning. A courageous, decent man. Victim of the most cowardly thugs imaginable. #ISIS — Piers Morgan (@piersmorgan) October 3, 2014

Prayers for Henning’s loved ones. May he rest in peace.

My thoughts and prayers go out to the family of Alan Henning. #isis MUST be stopped. #AlanHenning — Montel Williams (@Montel_Williams) October 3, 2014

RIP. RT @BBCPaulAdams If it's true Alan Henning has been killed, think of him like this. pic.twitter.com/rg18dGH6JY” — Andy Carvin (@acarvin) October 3, 2014

According to reports, these terrorists are preparing to unleash still more barbarism:

BREAKING NEWS: Islamic State Video shows beheading of UK hostage Alan Henning, warns US hostage Peter Kassig is next pic.twitter.com/46bNKjYcRW — Lisa Daftari (@LisaDaftari) October 3, 2014

Peter Kassig, the US hostage threatened w/ murder in latest #ISIS video, founded an aid group to help Syrian refugees http://t.co/okqLTd47qX — Neetzan Zimmerman (@neetzan) October 3, 2014

#ISIS now threatening American aid worker Peter Kassig w/death. Our thoughts & prayers to him & his family pic.twitter.com/reoNImXXcY — Jim Sciutto (@jimsciutto) October 3, 2014

Peter Kassig, current Islamic State hostage, deployed w/ 1st Battalion, @75RRegiment to Iraq, Army officials confirm. http://t.co/lMOiN93zpr — Dan Lamothe (@DanLamothe) October 3, 2014

Horrible. Please pray for Kassig. May he be swiftly rescued.

Editor’s note: This post has been updated with additional tweets. Additionally, the title has been amended to include mention of hostage Peter Kassig.

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ISIS is threatening to kill British aid worker Alan Henning