Laws brought in this March allow police to bring in the sellers for questioning, and up to 550 have been taken in since then.
She said those arrested had been taken to Boulogne, Calais and Lille, where they can be kept in custody for questioning for up to 48 hours.
A male broker from the bank's cash equity trading department was taken in for questioning for up to 48 hours, she said.
But a person close to the investigation confirmed that Mr. FitzPatrick had been taken into custody and said he could be held for questioning for up to 24 hours.
But media observers and legal experts in Britain see their appearance before the inquiry, led by Lord Justice Brian Leveson, as potentially far more exacting: James Murdoch faces questioning for up to six hours on Tuesday, Rupert Murdoch for a similar period on Wednesday, and possibly for a second session on Thursday.
A passenger can be held for questioning for up to nine hours and those detained must "give the examining officer any information in his possession which the officer requests".
Many parents raising boys are now questioning and waking up to the skewed ideals surrounding masculinity.
Before you discard all trust, it is important to do some thinking, questioning, and following up, to get the story straight.
"At one point," Brown responded, "she didn't care how much weight she gained, she just wanted him to leave her". Although much of her testimony concerned incidents that were years old, Darden's questioning took Brown up to the day of the murders.
Thirteen political detainees from the opposition Popular Congress have been released without questioning or trial after up to five months in custody, one of them reported.
