The Hill reported that the Trump administration revoked more than 175,000 visas.

Colombian president says earthquake injured 87 people and caused 61 buildings to collapse.

People familiar with the matter say OpenAI has completed a transaction to buy back about $7bn of shares from current and former employees as it prepares for a possible IPO. Sources said the tender did not involve external investors and bought shares directly from employees. The deal values OpenAI at $852bn, matching its most recent financing round. The company had previously invited investors such as Thrive Capital and SoftBank to purchase employee shares.