Syrian refugee crisis: why has it become so bad? After years of refugees struggling to make their way out of danger, Europe is finally realising the scale of the crisis.
Indonesian police in Cilacap, Central Java, stand guard in March as prisoners are transferred to Nusa Kambangan prison ahead of their execution.
Two boats carrying migrants have sunk off the Greek island of Samos in the eastern Aegean Sea. Officials are searching for survivors after at least 18 people drowned.
Map showing air strikes on IS in Iraq and Syria
50 largest refugee camps