More details of people and institutions targeted by UK and US surveillance have been published by The Guardian, The New York Times and Der Spiegel.
The papers say that the list of around 1,000 targets includes a European Union commissioner, humanitarian organisations and an Israeli PM.
The secret documents were leaked by the former US security contractor, Edward Snowden, now a fugitive in Russia.
They suggest over 60 countries were targets of the NSA and Britain's GCHQ.
The reports are likely to spark more international concern about the surveillance operations carried out by the US and the UK.
News that the National Security Agency had monitored the phone of German Chancellor Angela Merkel triggered a diplomatic row between Berlin and Washington in October.
The New York Times reports that GCHQ monitored the communications of foreign leaders - including African heads of state and sometimes their family members - and directors of United Nations and other relief programmes.
The paper reports that the emails of Israeli officials were monitored, including one listed as "Israeli prime minister". The PM at the time, 2009, was Ehud Olmert.
The Guardian writes that GCHQ targeted the UN development programme, Unicef, German government buildings and the EU Competition Commissioner, Joaquin Almunia.
The European Commission said in a statement that the claims, if true, "deserve our strongest condemnation".
"This is not the type of behaviour that we expect from strategic partners, let alone from our own member states." ... Full story at BBC