Iran medics describe overwhelmed hospitals as protests enter second weekReutersBurning vehicles were pictured in Tehran on Friday nightAs protests in Iran entered their second week and Iranian authorities issued coordinated warnings to protesters, a doctor and medic at two hospitals told the BBC their facilities were overwhelmed with injuries. One doctor said an eye hospital in Tehran had gone into crisis mode, while the BBC also obtained a message from a medic in another hospital saying it did not have enough surgeons to cope with the influx of patients. On Friday, US President Donald Trump said Iran was in "big trouble" and warned "you better not start shooting because we'll start shooting too". Iran, in a letter to the UN Security Council, blamed the US for turning the protests into what it called "violent subversive acts and widespread vandalism". Meanwhile, international leaders called for the right to peaceful protest to be protected. Anti-government protests have taken place in dozens of cities, with at least 50 protesters reported killed by two human rights groups. The BBC and most other international news organisations are barred from reporting inside Iran, and the country has been under a near-total internet blackout since Thursday evening, making obtaining and verifying information difficult. A doctor from Iran, who contacted the BBC via Starlink satellite internet on Friday night, said Farabi Hospital, Tehran's main eye specialist centre, had gone into crisis mode, with emergency services overwhelmed. Non-urgent admissions and surgeries were said to have been suspended, and staff called in to deal with emergency cases. The BBC also obtained a video and audio message from a medic in a hospital in the south-west city of Shiraz on Thursday.