6 people killed after helicopters collide in Brazil
Original article ↗B.I.A.S. ANALYSIS
CENTER
LEFTCENTERRIGHT
Signal breakdown
Heuristic (v1/v3)
0.00 · CENTER
ML v2 (DistilBERT)
0.332 · RIGHT
Ensemble
0.166 · CENTER
🏦 Source Intelligence
Rolling outlet bias
CENTER
avg -0.050
1,709 articles tracked
7-day bias trend
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Article Excerpt
Two helicopters collided over Rio de Janeiro on Sunday morning and crashed in the city's western zone, killing all six people aboard, firefighters said.
Read full article at CBC English Top Stories ↗
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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Jun 14, 2026