India, Sept. 22 -- Elon Musk made a surprise appearance at Charlie Kirk's memorial service on Sunday. The Tesla billionaire flew to Arizona to attend the memorial for the Turning Point USA co-founder who was shot and killed in public on September 10. Musk sat briefly next to US President Donald Trump - making it the first time since May that the two were photographed together. However, it was the positioning of his hands that raised eyebrows and set off conspiracy theories.

Musk, seated next to Trump, joined his hands together to form a quadrangle. Innocuous as the gesture may seem, it was one that has set the internet abuzz with conspiracy theories - with some calling it the Illuminati sign and others claiming it is a secret symbol for ...