Britain and the US on Tuesday banned laptops and tablet computers from the passenger compartment of flights from several Middle East and North African nations.
The restrictions are different in the two countries and only Britain specified the maximum size of device allowed: 6.3 by 3.7 inches.
A French civil aviation agency spokesman said France was considering whether to impose similar measures.
Here is what we know so far:
The US ban applies to flights from 10 airports in eight countries.
The airports affected are: