New Delhi/May,26:Prime Minister Narendra Modi is holding a high-level meeting to discuss the stand-off with China. Those attending include the three service chiefs, National Security Advisor Ajit Doval and the Chief of Defence Staff General Bipin Rawat, sources said. A separate meeting was held earlier with the foreign secretary. Sources said Defence Minister Rajnath Singh had met three service chiefs earlier and briefed them. The flurry of meetings comes at a time when Chinese and Indian troops have been skirmishing in Sikkim and Ladakh. Satellite pictures have shown that Beijing is expanding an airbase near Ladakh, close shots have even revealed fighter jets on the tarmac. Yesterday, China in a notice on its embassy website, offered to fly back its citizens who wanted to return home.