Biden allows Ukraine to hit Russia with US weapons to defend Kharkiv
                        
                                                    
                                
                                
                                
                                
                                
                                    President Joe Biden has lifted restrictions on Ukraine using weapons supplied by the United States against targets on Russian territory, but only to defend the under-fire Kharkiv region, a senior US official said Thursday.                                
                            
                        
                        
                                                    
                        
                        
    
    
        
            
            
        
        
    
                        
                            President Joe Biden has lifted restrictions on Ukraine using weapons supplied by the United States against targets on Russian territory, but only to defend the under-fire Kharkiv region, a senior US official said Thursday.