Calgary Herald
🏢 Postmedia
📍 AB
Jul 31, 2026
· 5 min read
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Low oxygen levels hampered rescuers' efforts to reach missing boy
Original article ↗ 🔒 Paywalled source — limited preview availableB.I.A.S. ANALYSIS
CENTER
LEFTCENTERRIGHT
Signal breakdown
Heuristic (v1/v3)
-0.20 · CENTER
ML v2 (DistilBERT)
0.257 · RIGHT
Ensemble
0.129 · CENTER
🏦 Source Intelligence
Rolling outlet bias
CENTER
avg -0.040
1,032 articles tracked
7-day bias trend
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HomeNewsLocal News
Low oxygen levels hampered rescuers' efforts to reach missing boy
Fire department crews forced to turn back after encountering dangerous conditions in narrow tunnels under Deerfoot Trail
Author of the article:
By Catherine Acheson
Published Jul 31, 2026
Last updated 54 minutes ago
2 minute read
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Calgary Fire Department members comb and poke through the water, mud and long grass in Nose Creek near Goddard Avenue N.E. in Calgary on July 22, 202…
Read full article at Calgary Herald ↗
How we scored this article
WTF uses a two-tier system: every article gets a heuristic bias score from keyword analysis, and priority articles (high overlap across 3+ outlets or strong heuristic signal) get full LLM analysis from B.I.A.S. and V.E.R.I.F.Y.
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Jul 31, 2026