RightMixed
Daily ExpressNews report · Sep 12, 3:59 PM
Portsmouth protest: Three arrested as crowds clash with police
clash with police
A man has been arrested after anti-migrant and anti-racism protestors gathered in Portsmouth.
← Today's headlines
6 sources checked · Left, Center, and Right included · 1h ago
Different Spin
Three arrests at Portsmouth protests including man, 76, suspected of concealing identity
Headlines vary from neutral reporting of arrests to emphasizing clashes, police action, and the specific anti-migrant nature of the protest.
1 Left1 Center4 Right
DIFFERENT SPIN
HOW EACH SIDE WORDED IT
Left-leaningCenter-leftProtesters clash and police van targeted at Portsmouth anti-migrant demonstration after face coverings crackdown
The IndependentMostly Factual
clashpolice van targetedanti-migrant demonstration
Right-leaningPortsmouth protest: Three arrested as crowds clash with police
Daily ExpressMixed
clash with police
Center baseline · 
BBC NewsHighThree arrests at Portsmouth protests including man, 76, suspected of concealing identity
As of September 12, 2026 at 5:51 PM, this is how Optics News reads the wording differences in this story.
What happened Rival demonstrators march through Portsmouth as new police powers come into force.
The headline split The left frames it as "Protesters clash and police van targeted at Portsmouth anti-migrant demonstration after f...". The right frames it as "Portsmouth protest: Three arrested as crowds clash with police".
Match confidence High confidence. 6 sources checked, Left/Center/Right all represented. Best read as a clear framing signal — not a fact-check.
Same-event confidenceHigh
6 sources across Left, Center, and Right all describe the same event.
Framing confidenceStrong
85/99 — headlines create a clearly different first impression.
WHAT EACH SIDE EMPHASIZED
Left / center-leftProtesters clash and police van targeted at Portsmouth anti-migrant demonstration after face coverings crackdown
The Independent · Center-left · News report
CenterThree arrests at Portsmouth protests including man, 76, suspected of concealing identity
BBC News · Center · News report
Right / center-rightPortsmouth protest: Three arrested as crowds clash with police
Daily Express · Right · News report
SEE THE HEADLINES
Open source
Center-leftMostly Factual
The IndependentNews report · Sep 12, 5:51 PM
Protesters clash and police van targeted at Portsmouth anti-migrant demonstration after face coverings crackdown
clashpolice van targetedanti-migrant demonstrationface coverings crackdown
A man has been arrested on suspicion of wearing or using an item to conceal his identity
Center-rightMixed
Daily MailNews report · Sep 12, 5:04 PM
Police move in to arrest anti-migrant protesters in angry clashes at Portsmouth demo after marchers were warned not to cover their faces
Police move in to arrestanti-migrant protestersangry clasheswarned not to cover their faces
Anti-migrant protesters are marching in Portsmouth today, as police warned attendees not to cover their faces and vowed to make more arrests.
CenterHigh
BBC NewsNews report · Sep 12, 4:50 PM
Three arrests at Portsmouth protests including man, 76, suspected of concealing identity
suspected of concealing identity
Rival demonstrators march through Portsmouth as new police powers come into force.
Center-rightHigh
Sky NewsNews report · Sep 12, 2:53 PM
Anti-migrant demonstrators clash with counter-protesters during march in Portsmouth
There have been scuffles in Portsmouth as anti-migrant protesters chased down anti-racism demonstrators, with police warning that anyone wearing a face covering could be arrested.
RightMixed
GB NewsNews report · Sep 12, 2:33 PM
Police detain anti-migrant protesters in Portsmouth as unrest in city grows
Police have been seen detaining anti-migrant protesters in Portsmouth as unrest continues to grow over small boat crossings across the English south coast. GB News’s Mark White was on the s...
Details85/99 Wording Gap · High confidence · 6 sources
85/99 Wording GapHigh confidence6 sources · 3 bias bucketsStable · 6 sources · all three buckets · comparable news formatFormats: News report
SOURCE MAP CHANGES
Sep 12, 2:33 PM: GB News joined the source map.
Sep 12, 2:53 PM: Sky News joined the source map.
Sep 12, 3:59 PM: Daily Express joined the source map.
Sep 12, 4:50 PM: BBC News joined the source map.
Now: Wording Gap is 85/99 and story health is stable · 6 sources · all three buckets · comparable news format.