Ukraine will not use any force against the Russian aid convoy which has now crossed into the country despite claiming they were treating it as a "direct invasion".
Ukrainian security chief Valentyn Nalivaychenko said they wished to "avoid provocations".
More top news
A possible ninth planet at the edge of the solar system could be the reason behind one of the biggest mysteries in astronomy.
Philip Thomas was a 10-year-old pupil at Pantglas Junior School in Aberfan when a coal tip collapsed and slid downhill.
The chief executive's resignation comes amid controversy about allegations of doping in cycling.