Stolen cars being sent freewheeling down a residential elevation during a riot were already a "known danger" to authorities, it has been claimed.
Father-of-two Adam Romain had to fly his location aft it was targeted successful the riots successful Swansea successful May aft helium tried to halt youths mounting occurrence to his car.
He claims helium warned constabulary and Swansea assembly successful February aft a car was freewheeled down his roadworthy successful Mayhill.
The assembly thought it was "isolated" and determination was a "bigger discussion".
It comes arsenic a associated review has been acceptable up to knowing wherefore rioting broke retired successful the Waun-wen Road country of Mayhill wherever "yobs" torched cars and threw bricks astatine houses.
Seven constabulary officers were injured successful the unit - involving astir "100 lads" according to witnesses - which was condemned by First Minister Mark Drakeford arsenic "completely unacceptable" and by Home Secretary Priti Patel arsenic "disgraceful".
About 30 arrests person subsequently been made by South Wales Police and present an autarkic sheet of experts, including the police, its Police and Crime Commissioner and Swansea council, volition analyse wherefore the disturbance connected 20 May happened.
Mr Romain was targeted aft helium tried to halt rioters attacking his car - but the transportation operator had to fly his location aft they started throwing missiles astatine his house.
But helium claims helium had warned the authorities astir imaginable unrest connected the Mayhill estate.
"Back successful February we had an incidental which was astir 2am," helium recalled.
"A conveyance was taken from the apical of the elevation and fundamentally freewheeled down."
He said it came "flying down" and smashed "through this barrier" enactment fractional mode down the steep Waun-Wen Road adjacent to the location wherever helium has lived for 4 years.
"It deed some and landed successful that diagonal mode crossed the road," said Mr Romain.
"The constabulary and the assembly would person known present due to the fact that of this lawsuit that determination is simply a information and the bollards were not going to support precise much.
"It was a known information already, we did petition immoderate factual bollards, it would beryllium absorbing to cognize however we tin amended the effect towards the communities issues."
Mr Romain's parent Christina added: "This is an utmost inaction, failing and radical should beryllium made accountable."
The person of the assembly insisted determination were plans successful spot to forestall anti-social behaviour connected the roadworthy - but they hadn't yet been introduced.
"That issue, arsenic acold arsenic I'm aware, was isolated," said councillor Rob Stewart, who had antecedently called the unit "disgusting behaviour by yobs".
"There was a overmuch bigger treatment going connected astir motorcycles astir radical being capable to rhythm accelerated up and down the hill," helium added.
"That meant we were looking astatine a overmuch antithetic solution to conscionable putting a bollard in.
"We are looking astatine a parkland and play area, a re-greening of the full country - a implicit interruption successful the country betwixt this roadworthy and that road.
"The solution being worked up was 1 that was a overmuch amended solution for the community.
"I don't clasp to the premise adjacent putting these successful would person prevented idiosyncratic trying to relation a car down if they were transgression and intent connected transgression enactment connected that evening."
Families spoke of being trapped successful houses, with constabulary being "pelted with rocks" arsenic they tried to interruption up the riot.
South Wales Police's effect has been criticised by immoderate residents aft a vigil for 19-year-old Ethan Powell, who had precocious died, turned into violence.
"I tin afloat admit that the radical surviving connected Waun-Wen Road, and the surrounding areas, this would person been a terrifying acquisition for them," said Chief Supt Jo Maal.
"In presumption of the response, we volition look astatine each of these aspects. What calls were made to america and implicit what play of clip we responded. But that volition go evident successful owed course."
Mr Romain, for example, said helium dialled 999 connected 3 occasions aft coming backmost to his location aft a frantic telephone from his partner.
"It felt similar I was driving into a warfare zone," Mr Romain told BBC Wales Investigates
"They gave immoderate explanations but thing was satisfactory. Nothing that they said to maine was 'ok, I recognize completely'.
"There were immoderate idiosyncratic officers (who) apologised. They judge that determination was a failing connected that side."
There are plans to regenerate that country of Swansea, collectively known arsenic "the hill" which overlooks the metropolis and Swansea Bay.
"There volition beryllium and determination has been important concern successful Mayhill, Townhill and Gors", said Mr Stewart.
"About £50m has gone into lodging connected the hill. That concern has gone successful but we're connected a travel to effort and enactment up the community, to enactment it arsenic we travel retired of the Covid pandemic."