What israel did, attacking the consulate of iran inside Síria is really really fucked up. Iran played it cool and did this attack today, wich you could consider a very light response because attacking an embassy is casus belli (reason for war). But the usa will turn this into ww3 sooner or later, theres no doubt about it

Likely just a common tit for tat attack in retaliation for the Israelis bombing the Iranian embassy in Syria

Here's a past example