Moscow attack: Putin says all suspects arrested

President Putin says all four gunmen involved in the attack on a concert hall near Moscow on Friday have been detained. More than a hundred- and- thirty people were killed at Crocus City Hall. Mr Putin called it a barbaric terrorist act. The authorities say the suspects were foreign citizens. The Islamic State group has claimed responsibility and released a photograph of four masked men it says carried out the attack. Also in the programme: The UN Secretary-General has said during a visit to the Egypt-Gaza border that it's time to silence the guns and stop what he called the non-stop nightmare of the Palestinian people; and the first British field hospital opens in Gaza: (Photo: People gather at a makeshift memorial to the victims of a shooting attack at a concert hall outside Moscow. Credit: Reuters)