According to Iranian sources, there have been assaults on the nation’s transport infrastructure following threats from the USA and an announcement from Israel. And: In Istanbul there was a deadly change of fireplace in entrance of the Israeli consulate. The News.
https://www.spiegel.de/ausland/iran-news-7-april-israelische-armee-warnt-iraner-vor-zugfahrten-a-465732b0-1adb-43a2-8d74-92537b7b115f#ref=rss