No one was hurt, and damage was largely confined to the imam's office.
Omar said if he could tell the bomber one thing, he would tell him or her to, "Come pray with us, and come and share and we can tell you who we are".
Kamal Hassan, who dropped his son off at the mosque the morning of the blast, said Islamophobia is becoming mainstream and every Muslims is anxious about violence.
FBI Special Agent in Charge Rick Thornton said it will take time to determine who carried out the attack, adding that due to the ongoing investigation he couldn't release further details.
According to the reports, the blast had heavily damaged the imam's office and sent smoke wafting through the large building.
Leaders of a Minnesota mosque that was bombed have called on Donald Trump to condemn the incident that has been labelled an "act of terrorism". Amir Malik, the CAIR-MN Civil Rights Director had the following to say about the reward, "We hope a reward will help law enforcement authorities quickly apprehend the perpetrator of this act of violence targeting an American house of worship." . People held signs, mets with practitioners, and left flowers. The community center also hosts computer classes, a basketball league, religious classes, lectures and other events.
The mosque's executive director, Mohamed Omar, called the incident a "sad, and just an inhumane act", in an interview with LA Times. Minnesota is home to the largest Somali community in the USA, roughly 57,000 people, according to the latest census figures.
Some residents opposed the center's opening, and complaints have been made about parking, noise and traffic, the Star Tribune reported.
In years between 2011 and 2015, the most common motivation for a hate crime was listed as religion.
His failure to speak about the attacks comes after a new Pew Research poll showed that 81 percent of Muslim women, and 68 percent of Muslim men in the US view Trump as "unfriendly toward American Muslims". Also in Minnesota, an Islamic cemetery in Castle Rock Township recently reported it had been vandalized with spray painted profanities and swastikas.
Federal Bureau of Investigation's Minneapolis division is leading the investigation, working with the Bloomington Police Department and the Bureau of Alcohol, Tobacco, Firearms and Explosives.