Is there any solid reason to think these incidents were connected?

Timing and political motive are not enough to establish a connection. You would need incident-specific evidence, such as verified communications, financial links, or investigative findings that independently connect the events to the same organizers. Without that, the claim remains speculation.

It also helps to check whether each incident has a clear, separate account from credible reporting or official investigation, and to distinguish confirmed details from unanswered questions.

I’d be careful about treating several alarming stories as a pattern just because they happened around the same time. A tragic event can be real and serious without being part of a coordinated campaign. And suspicion about a government or agency shouldn’t turn into blame toward people of a nationality as a whole.

Start with the specific claim: who supposedly did what, and what evidence is offered beyond timing or online speculation? Look for independent confirmation, not just posts repeating the same allegation. If the explanation relies on an unclear investigation, that may leave questions open, but uncertainty by itself does not prove a cover-up or foreign involvement.