Thai opposition crushes military parties in election; UTN thanks Southern voters for poll support; Polish man arrested for murder of Ukrainian girlfriend; Singapore eases egg-freezing rules as births hit record low; 'Dark horse' wins 2 seats in Ubon Ratchathani; Cambodia poll body disqualifies sole opposition party from July election; Baht gains as Move Forward leads vote, tycoon-linked stocks drop; Senators want pro-monarchy Prime Minister; Thai economy grows 2.7% in first quarter; World Bank cuts Thailand's growth forecast.