British police investigating the Manchester Arena attack have cordoned off an area around a auto they believe may be significant to the investigation.
Images and video posted to social media showed officers making the arrest, and cars being towed from the forecourt.
Another six people who were arrested since the attack on May 22 have been released without being charged.
The arrest came after officers seized a vehicle which they said could provide a "significant development" in the investigation.More news: ISIS claims responsibility for London Bridge attack
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The man was arrested yesterday on suspicion of offenses contrary to the Terrorism Act after police cordoned off an area in southern Manchester visited by the bomber, Salman Abedi.
Abedi, 22, bought most of the key component parts of the bomb in the days before the attack.
Greater Manchester Police put a 100 metre cordon in place after the white Nissan Micra was found in Devell Court in Rusholme.
The May 22 attack at the Manchester Arena was the deadliest terrorist attack in the United Kingdom since the 2005 London train bombings, which claimed the lives of 52 victims and injured hundreds. He visited Libya before the attack, arriving back in the United Kingdom on May 18.
Grande is scheduled to perform a benefit concert in Manchester on Sunday night.