Kent Police confirmed a man was arrested at the scene but released without charge.
Indefinite detention without charge is a policy that we usually associate with dictatorships, not democracies.
Three other people, including Raissi's wife, had also been arrested, but were later freed without charge.
He was later released without charge when officers concluded the death was not suspicious.
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The couple were arrested on 10 August and released without charge after five hours of questioning.
Soon afterwards two boys aged 14 and 17 were arrested but they were released without charge.
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The three months sought by the police is too long to lock someone away without charge.
Najam Sethi, a Pakistani newspaper editor being held without charge, has been set free.
Around 90 southerners, held for two years over the Tak Bai incident, have been released without charge.
Eight people were arrested in connection with Damien's murder in 2011 but were later released without charge.
Anyone can be detained for up to three years without charge, merely if suspected of subversive activity.
It permits the arrest and indefinite detention of foreign nationals without charge, without trial and without sentence.
His 29-year-old brother, Mohamed Raissi, of Hounslow, west London, was also detained but was later released without charge.
Moazzam Begg was imprisoned by the Americans without charge for over three years at the Guantanamo Bay camp.
In Biratnagar, opposition activists said that 80 of their members were being held without charge before the election.
Five people were arrested by police investigating the disappearance of the Walsall pupil but were released without charge.
Police arrested Mr Lawley Wakelin on suspicion of breach of the peace but later released him without charge.
He claims he was then tortured for seven months, and held for years before being released without charge.
They arrested an unnamed 52-year-old man from Milton Keynes, in South East England, who was released without charge.
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The prisoners are protesting Israel's policy of administrative detention, which allows authorities to detain people indefinitely without charge.
Mr Chen's detention without charge, and the intimidation of visitors, resumed upon his release from prison in 2010.
Anti-terrorist officers also arrested Raissi's French-born wife Sonia, 25, last week but she was released without charge on Tuesday.
The US is currently holding 166 men at the facility, most without charge.
Two men arrested on suspicion of murder last year were released without charge.
Mr Ahmad, who was a suspected jihadist with training as a terrorist, was released without charge after six days.
Many popular Chinese novels have begun to appear online, where they can be read in their entirety without charge.
The Belgian lorry driver was interviewed by French police and released without charge.
Police said he was released without charge while the 45-year-old man was bailed.
This week a court extended for a further month their detention without charge.
Two other men are on bail while another has been released without charge.
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