Port St Lucie Mets Fireworks start fire.

Didn't this also happen in Brooklyn either last year or the year before?

From the NY POST

The inferno broke out during the High-A St. Lucie Mets’ post-game pyrotechnics display, following a 4-1 victory over the Daytona Tortugas. 

This isn’t the first time the St. Lucie Mets have caused a conflagration — a similar wildfire incidentoccurred to the team’s fireworks night in April 2017, burning four acres.
The major-league Mets took the Fourth of July off, but they’ve scheduled a fireworks show at Citi Field after Saturday night’s game against the Phillies.

Read more here.