A hardline salafist suspected of killing opposition leader Chokri Belaïd has been arrested on Monday, several media reported, quoting security sources. The suspect, aged 31, has been arrested in the northern suburb of Tunis, the same sources added, affirming that his presumed accomplice has also been arrested. TAP news agency could not check these news because the relevant services at the Interior Ministry were not available for comment. Chokri Belaïd, a lawyer and human rights activist, had been gunned down outside his home last february 6. Besides, a report published by the Tunisian Observatory of the Independence of the Judiciary (OTIM), revealed on Monday that two people have been in police custody for five days as part of the investigation into the assassination of Chokri Belaïd