Just in: US to ban laptops and tablets from some countries

US aviation authorities has decided to ban laptops and tablets from eight main countries

Authorities says that this ban effects for nine airlines operating of 10 airports.But the all medical devices wont be affected from this ban

The Department of Homeland Security (DHS) declined to comment on the issue but is expected to make an announcement on Tuesday.

The Transportation Security Administration (TSA), which is part of Homeland Security, also refused to comment.

A formal list of the airlines affected has yet to be released, but an official speaking to the Associated Press (AP) said it would apply to the following 10 airports in eight countries:

• Queen Alia International, Amman, Jordan
• Cairo International Airport, Egypt
• Ataturk Airport, Istanbul, Turkey
• King Abdulaziz International, Jeddah, Saudi Arabia
• King Khalid International, Riyadh, Saudi Arabia
• Kuwait International Airport
• Mohammed V International, Casablanca, Morocco
• Hamad International, Doha, Qatar
• Dubai International, United Arab Emirates
• Abu Dhabi International, United Arab Emirates

Officials said the ban had no end date. AP reported that airlines would not be officially informed of the ban until 03:00 ET (07:00 GMT) on Tuesday.