Brussels, April 19 (Inditop.com) A summit between the European Union (EU) and Pakistan to be held here April 21 has been postponed due to air traffic problems, the EU Presidency has announced.

Air traffic in a number of European countries has been suspended because of volcanic ash from Iceland.

Pakistan Prime Minister Yousuf Raza Gilani, who was to embark Monday on a tour to France, Belgium and Spain, has postponed his trip, EuAsiaNews reported Sunday.