Iran has fired missiles at Israel, according to the Israeli military. The air raid warning has been activated in several places in the country.
In Iran, a teenager has been killed and several people injured in the city of Qom, according to state-run Iranian media.
Israel's military announced at the same time that air strikes have been made against arms depots and military infrastructure in central Iran.
The war between the countries began with Israel's attack on its archenemy last Friday in the previous week. Since then, the two countries have attacked each other on a daily basis.