The man allegedly responsible for brutally murdering a senior couple in Queens and setting them ablaze on Monday has been arrested, the city's top cop said Wednesday evening.

NYPD Police Commissioner Jessica Tisch, in announcing the arrest, said the suspect — identified as Jamel McGriff — had been apprehended in Midtown Manhattan after being spotted by officers in the area.

“Jamel McGriff was taken into custody a short time ago by the NYPD. He was spotted in Midtown Manhattan by eagle-eyed cops who didn't hesitate before jumping into action,” Tisch wrote.

Police sources say he was arrested in Times Square while using the victim’s credit cards.

A citywide manhunt had underway for McGriff since Tuesday, a day after he allegedly knocked on the door to the Bellerose, Queens home of Frank a

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