Russian leader Vladimir Putin has recently refused to travel to Brazil for the G20 summit. Today it became known that the Brazilian president canceled his trip to Russia for the BRICS summit, reports CNN Brazil. The publication, referring to a medical bulletin, writes that Luiz Inácio Lula da Silva suffered a head injury, namely, a “cut and blunt wound in the occipital region.” The team that treated the president advised him not to make long-distance air travel. Thus, the trip to Kazan was canceled. Lula da Silva is currently under the supervision of a medical team. At the same time, he was al…