We have just witnessed multiple objects flying across the sky from north to south along the west coast of phuket. There was firstly a large cluster of about 50 followed by another three or four groups of around five. They had varying speeds and trajectories but all heading south. They flashed with varying intervals. They were too fast to be normal aircraft and too many of them. They did not fade or drop in the sky but seemed to be flying to a destination, some climbing to reach an altitude along with the main group. Did anybody else witness this. Around 8pm on the 12 march 2014