Teenager in east London arrested twice in two months for alleged terror offences
Three teenage girls were among the five relatives detained
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Three teenage girls are among five members of the same family who have been arrested on terrorism allegations in London.
Police from Scotland Yard's Counter Terrorism unit raided their home in the east of the capital on Wednesday.
A 51-year-old man, 53-year-old woman and three teenagers aged 16, 17 and 19 were arrested on suspicion of "possessing information likely to be useful to a person committing or preparing an act of terrorism".
They remain in custody at a police station in central London.
The man was also detained on suspicion of having fake identity documents with "improper intention".
A spokesperson for the Metropolitan Police said the same 16-year-old girl had been arrested last month for allegedly preparing for acts of terrorism.
She was already on bail while further inquiries were made and her relatives' arrests were part of the same investigation.
Police said they could not confirm whether the case was linked to Isis, which calls itself the Islamic State, or what the intended acts of terrorism were.