now in that country's capital. >>. and to the uk now where a government source tells cnn a suspect in the fatal stack of mp davis amess is ali hearti aly. police are treating the case of a terrorist incident and crowned prosecutors say they are supporting the investigation. the fatal attack, the second in five years against a member of parliament, has heightened security for all lawmakers. prime minister boris johnson and labor leader keir starmer were among the dignitaries paying their respects on saturday, visiting the church where sir david was murdered. the prime minister tweeted he laid a wreath for the lawmaker, calling him a much-loved colleague and friend. salah aziz has been covering the story and joins us from london. you're at 10 downing street, and it was quite a display there