Sri Lankan President Gotabaya Rajapaksa flew out of the country on Wednesday. Immigration officials told AFP that Rajapaksa, his wife and a bodyguard were among four passengers on board an Antonov-32 aircraft.
The device can climb up and down a ladder by altering its body shape. Using a laser sensor attached to the tip, it detects the distance between each rung, works out the ideal trajectory and contorts itself to clamber its way up.
As the US President plans to visit to Saudi Arabia and the regions of the Middle East, the presidents of Iran and Russia met on the sidelines of the sixth summit of the Caspian Sea Littoral States in Ashgabat, Turkmenistan.
