Washington (AFP) – Top Republican leaders flung their support behind former US president Donald Trump on Tuesday after an extraordinary FBI raid on his palatial Florida residence sparked a political firestorm in an already bitterly divided country. The FBI move marked a stunning escalation of legal probes into the 45th president and comes as he is weighing another White House run. Several former advisors to the 76-year-old Trump urged him to immediately confirm that he would be a presidential candidate in 2024. “Nothing like this has ever happened to a President of the United States before,” T…