Number of Migrants and refugees crossing has passed one million according to International Organization for Migration (IOM).

The number is fourt times it was last year and a vast majority crossed by sea, with more than 800,000 travelling from Turkey to Greece. Most are refugees from Syria, Iraq and Afghanistan.

IOM says 3,695 migrants have drowned this year or remain missing. The milestone was passed on Monday according to IOM with the total for land and sea, reaching 1,005,504.

The figure covers entries via six European Union nations – Greece, Bulgaria, Italy, Spain, Malta and Cyprus.