On Saturday investigators with dogs trained to find bodies searched one house at Ransart and one at Mont-sur-Marchienne -- both suburbs of the southern city of Charleroi .
<response> On Saturday investigators with dogs trained to find bodies searched one house at <location>Ransart</location> and one at <location>Mont-sur-Marchienne</location> -- both suburbs of the southern city of <location>Charleroi</location> . </response>