Representative of Russia in the OPCW Alexandr Sulgin brought a document from the Patent and Trademark Office, which serves as evidence that novichok was manufactured and patented in the US. According to him, in the Google.patents.com search engine, according to the keyword “Novichok”, over 140 patents issued in the US linked to the use and protection against toxic substance A-234 can be found.
The “ceasefire” between Kyiv and Donetsk is over after 38 days because of the Ukrainian government breaching the ceasefire agreement.
No evidence given, the statement was made by a party to the conflict. The OSCE Special Monitoring Mission to Ukraine notes ceasefire violations, but does not attribute responsibility for them in its reports: https://www.osce.org/special-monitoring-mission-to-ukraine/379057