[[HRNewsService sharedInstance] fetchBreakingNewsItemWithId: self.breakingNewsId
                                                    success:^(id responseObject) {
                                                       NSDictionary *thing;
                                                       for (NSArray *dictionary in photos)
                                                       {
                                                       }
                                                    }
                                                    failure:^(NSError *error) {
                                                       // Failure?
                                                    }];

// We also need to consider cases where a non-pointer type (or, a pointer without the star) is declared in ObjC.
for (id obj in someDictionary)
{
   NSLog(@"This could be anything! Objective-C really needs parametrized collections.");
}