Investigators on Saturday released the name and photograph of a man they said could have information about an explosion in the Kenyan capital that killed one person and injured 37, according to AP. Farah Ahmed Hirsi, 41, is believed to have information that can assist in the investigation, police spokesman Eric Kiraithe told journalists. He did not identify Hirsi as a suspect. Police have not yet established the motive for or the cause of caused Monday's blast outside a small restaurant near one of Nairobi's oldest hotels, the Ambassadeur Hotel. No one has claimed responsibility for the explosion. On Thursday, police released, without giving any reason, two Kenyan Muslim women they had held as suspects. On Saturday, Kiraithe said that they are holding two other suspects. -- SPA