If you don’t get answers for questions like that in the future, I recommend reverse image search. For example tinyeye.com found the following article with this caption for the picture:

The Israeli Iron Dome missile defense system (left) intercepts rockets (right) fired by the Hamas movement toward southern Israel from Beit Lahia in the northern Gaza Strip as seen in the sky above the Gaza Strip overnight on May 14, 2021.

So, I don’t know. Though, I have seen the picture before and have shared it under the assumption that it is some flavor of conventional rocket attack on Israel , from the right, often made up of scavenged guided missiles, and launched by groups that have in the past intermittently enjoyed support, tacit or otherwise, from the various Western powers, and the iron dome defense system on the left.

Fireworks!