Nigeria, June 18 -- Israel and Iran have continued attacks on each other after President Donald Trump demanded an "unconditional surrender" from Tehran and declared the US knew where its supreme leader, Ayatollah Ali Khamenei, was hiding.

Many residents of Tehran have fled their homes as uncertainty and tension continue to grip the city. In Tel Aviv, people remain in shelters as schools and other public gatherings are banned to protect residents from Iranian attacks.

The conflict between Israel and Iran has now entered the sixth day, and casualties have continued to increase.

A major explosion rang out in Tehran around 5 a.m. on Wednesday morning, following a series of earlier blasts that shook the city in the predawn hours.

Israel ha...