Iran has restricted internet access after multiple explosions were heard in Tehran on Saturday, as tensions escalated following a new wave of military action involving Israel and the United States.

According to developments reported through live updates, Israel said it had launched “preemptive strikes” against Iran soon after the blasts were reported in the Iranian capital.

Hours later, US President Donald Trump confirmed American involvement in the strikes. He said the United States had begun a major combat operation, marking a sharp intensification in the confrontation.

Washington also signalled that the situation could carry risks for US personnel. The United States said American casualties were possible in the aftermath of the strike on Tehran, highlighting the danger of further escalation.

Iran’s decision to cut or restrict internet access came amid these developments. Such restrictions can limit the flow of information and communication inside the country during periods of heightened security and conflict.

The sequence of events places Tehran at the centre of a fast moving crisis, with Israel publicly describing its action as preemptive and the United States acknowledging a direct role.

The updates did not provide details on damage, specific targets, or the number of casualties from the reported explosions. No further official information was cited on how long the internet curbs could remain in place.

The situation remains closely watched as governments and observers track official statements and on ground developments following the strikes and the connectivity restrictions.