engine - 11:11 am on Aug 7, 2013 (gmt 0)
A 32-year-old man has been arrested by police in Bristol in connection with threats made on Twitter.
He is suspected of offences against two women, who reported the allegations on 25 and 29 July.
The BBC understands the arrest is in relation to threats made against Labour MP Stella Creasy and feminist campaigner Caroline Criado-Perez.
They are among a number of prominent women recently targeted by so-called trolls.
It is the third such arrest since allegations surfaced two weeks ago.
The man was arrested under the Protection from Harassment Act 1997 and is due to be taken to a Bristol police station, the Metropolitan Police said.U.K. Police Arrest Twitter Troll Over Threat Offences [bbc.co.uk]