Loud booms heard near presidential palace in Yemen's Aden, witnesses say

​Loud ‌booms were ​heard ‌in the vicinity of ‌the ‌presidential palace ⁠in ​Yemen's ⁠southern city of ⁠Aden ​on Thursday, three witnesses ⁠told ⁠Reuters.

The ​cause was ⁠unclear.