Panama opposition party accuses US of 'camouflaged invasion' / Panama's president hits back at US 'lies' about free canal access / Convicted candidate's stand-in wins Panama presidency / Last-minute stand-in wins Panama presidency / Panama election: Mulino declared president-elect / Panama: Polls close in presidential election / Panama: Polls open in presidential election / Panama election: Mulino on cusp of victory / Panama voters to elect new president in crowded field of contenders / Panamanians vote in election dominated by former president banned from running