Authorities have disrupted internet and phone services. Security forces have denied killing peaceful demonstrators. They've been filmed firing live ammunition on the streets. To deny doing something means to just say that they didn't do it.
An episode about two (unconnected) situations, 1) the very recent earthquake in Turkey & Syria which has left many people in urgent need of help, 2) the humanitarian crisis in Iran. During the episode I read from various articles and explain some vocabulary.