A massive fire broke out at the Islam Qala border crossing with Iran, reports Al Jazeera citing an Afghan source

The crossing is a principal conduit for Iranian fuel and goods into Afghanistan, so the relevant distinction is whether the fire is confined to the terminal infrastructure or reaches storage and parked tanker traffic, since that determines the length of any closure. For energy markets the transmission is regional rather than global: the crossing matters for Afghan fuel supply and Iranian non-oil exports, not for crude loadings, and any read-through to WTI would historically be limited to sentiment rather than physical flows. What tends to matter next is attribution, whether this is an accident of the kind common at congested fuel terminals or an act tied to tensions along the frontier, and the response from authorities on both sides regarding closure duration and rerouting of traffic. Confirmation of casualties, the scale of tanker involvement, and any official Iranian or Afghan statement are the immediate follow-ons.