Indian police arrested a third man in connection with the gang-rape of a journalist in Mumbai, an official said on Saturday.
News of Thursday's attack has sparked street protests and uproar in parliament and put the spotlight back on women's safety in India, where memories of the rape and murder of a student in New Delhi last December are still fresh.
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Tony Davies was the first civilian to reach Pc Palmer after he was stabbed during the Westminster attack.
Defiant Londoners put on a show of solidarity for the victims of the Westminster terror attack at a vigil in their honour.
Weather set to improve with plenty of sunshine by Saturday