Russia's Defence Ministry has said the wreckage of the military plane that crashed into the Black Sea on Christmas Day - killing all 92 people on board - shows no signs of damage from an explosion or fire, Russian media reported.
More than 3,000 people have been involved in the search for victims' bodies and aircraft debris. Two black boxes have since been recovered.
A Russian military plane heading for Syria has crashed into the Black Sea killing all 92 people on board.
Soldiers, journalists and 64 members of the country's famous military choir were among the dead.
President Putin has declared a day of mourning.
The plane disappeared from radar just two minutes into the journey after taking off from Sochi.
Investigators are looking into all possible causes including the option of a terror attack.
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.