New Delhi, Feb. 22 -- Tesla and SpaceX CEO Elon Musk's ex-girlfriend Grimes has urged him to get in touch with her regarding their child, who is reportedly going through a "medical crisis."

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The former couple, together from 2018 to 2022, share three children: son X Æ A-Xii, four, daughter Exa Dark Sideræl, three, and son Tau Techno Mechanicus, two. Their breakup has been tumultuous, with ongoing custody disputes.

Grimes recently criticised Musk, the owner of X, for taking their son X to a meeting with US President Donald Trump.

'Plz respond about our child's medical crisis,' she wrote.'I am sorry to do this publicly but it is ...