we are talking about this on the bbc broadcast live from london, i am yevgenia shytlovska. broken tents, erected barricades, clashes with the police, student protests in support of the palestinians take place in dozens of universities of the united states. in general, pro -palestinian student demonstrations have been taking place in the us since october, when hamas militants attacked israeli settlements and israel launched a war in the gaza strip, but now, where...

provided by western countries, we are talking about this on the bbc live from london, i am yevgenia shytlovska. during two years of full-scale war, western partners provided weapons to ukraine with one condition: not to use them for strikes on russian territory. it was so until now. british foreign secretary david cameron actually lifted this taboo. he came to kyiv and declared that ukraine can do this with british weapons for its own protection. as for the ukrainians, in our opinion, it is their decision how to use these weapons. they are defending their country, putin invaded them, violating international law. they are forced to take measures. we do not discuss the relevant caveats. let's be absolutely clear. russia attacked ukraine, and ukraine has the right to retaliate against russia, including on russian territory. this is ukraine's decision. ukraine has this right. russia strikes on the territory of ukraine, so it is clear that ukraine feels the need show that she is defending herself. this is to drive the russians out of the country and have the ability to strike back. britain provides

on the bbc live from london, i'm yevgenia shytlovska. let's start with the fact that the use of chemical weapons in conflicts is a violation of international law, in particular the geneva conventions. but what are chemical weapons? the list of prohibited substances is determined by the organization for the prohibition of chemical weapons, and russia and ukraine are members of this organization. participants are obliged not to develop, no stockpile, do not use chemical weapons. but russia is accused of... using one of these banned substances against the ukrainian military at the front, namely chlorpicrin. it is a world war i-era asphyxiant, the united states said in early may, and russia is using this chemical weapon as a method of waging war to gain an advantage at the front. what kind of substance is it, how does it work, about chlorine picrin , retired colonel of the british army hemige de briton gordon told. he is one of the leading ones chemical weapons experts. in fact , chlorpicrin is known to people as a tear gas, its effect as a

politics and the upcoming elections, we are talking about this on the bbc live from london, i'm yevgenia shytlovska. broken tents, erected barricades, clashes with the police, student protests in support of the palestinians are taking place in dozens of universities in the united states. in general, pro- palestinian student demonstrations have been taking place in the us since october, when hamas militants attacked israeli settlements and israel started a war in the gaza sector, but now... demonstrations, actions that were previously relatively peaceful, have entered a new phase of confrontation with the police. in more than two weeks, police have arrested more than a thousand protesters across the country, and these student demonstrations are of such magnitude that president biden had to make a special statement from the white house, and here is what he said. we are a civil society, and order must be restored. in our history, there have often been similar cases, and we are a great variety. free thinker a nation that loves freedom. in such cases , there are always those who seek to score political