Brazil’s conservative president Michel Temer has ordered the army and federal police to clear highways blockaded by striking truck drivers after a protest over soaring fuel prices entered its fifth day. The blockades have paralysed much of the country’s economy and prompted São Paulo, the biggest city in South America, to declare a state of emergency over fuel shortages. “I have actioned the federal security forces to unblock highways and I am asking governors to do the same,” Temer said in a televised address on Friday. “We will not let the population do without its primary needs.” The protests began...