Ukrainian and Western leaders also accuse Russia of continuing to arm and support the rebels since the plane 's downing , an allegation Moscow rejects . NEW : Obama , Putin speak about Ukraine . Biggest group yet of 70 Dutch and Australian experts spends day at crash site . Dutch officials say all remains found Friday will be taken to the Netherlands . Comment:
NEW : Obama , Putin speak about Ukraine . Biggest group yet of 70 Dutch and Australian experts spends day at crash site . Dutch officials say all remains found Friday will be taken to the Netherlands . Comment: