What is the procedure for fire during EVA at ISS?

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What is the procedure if there is a major leak or fire inside the ISS while a crew member is on EVA outisde the stations (with no visiting shuttle of soyuz)? <div class="Discussion_UserSignature"> </div>

 

[erioladastra]

The EVA is immediately aborted and they head into the airlock while the remaining crew member does his/her best to fight the fire/leak/toxic spill. There might be discussions ot feed the leak from tanks to give them time or what to do in the case of a fire but at that point it would have to be evaluated on the situation.