EU: Talks on Iran's nuclear program to continue

A statement said talks in İstanbul lasted a full day and ended early Wednesday.

The technical talks followed three rounds of negotiations between Iran and six world powers that have failed to produce a breakthrough

The statement said the experts explored positions on a number of technical subjects. The talks will be followed by a meeting between Iran's No. 2 nuclear negotiator Ali Bagheri and Helga Schmid, the EU official in charge of the talks.

No date for the meeting was announced.