Russian President Vladimir Putin has said the deadly terrorist attack in the Crocus City Hall in suburban Moscow was carried out by radical Islamists, but many questions still remain.
俄罗斯总统普京表示，莫斯科郊区番红花市政厅发生的致命恐怖袭击是由激进伊斯兰分子实施的，但仍存在许多疑问。

Putin was speaking at a meeting on measures taken after the terrorist attack.
普京在一次会议上就恐怖袭击后采取的措施发表了讲话。

The Russian president said it is already known who carried out the terrorist attack, but now authorities are interested in who ordered the crime.
普京说，目前已经知道是谁实施了这次恐怖袭击，但是当局现在对是谁下令实施了这次袭击感兴趣。

Meanwhile, the Russian Investigative Committee says the number of deaths from Friday's terrorist attack has risen to 139.
与此同时，俄罗斯调查委员会表示，周五恐怖袭击造成的死亡人数已经上升到139人。

Three more suspects have been arrested in Moscow in connection with the attack.
另有三名与袭击有关的嫌疑人在莫斯科被捕。