A 37-year-old woman and her 2-year-old daughter died from their injuries two days after a car intentionally plowed into a crowd in Munich, German police said.

A police spokesman said the mother and daughter died Saturday afternoon. At least 37 people were injured in the attack on Thursday.

Their names have not been released.

The attack happened the day before a major security conference featuring world and defense leaders was set to begin. Authorities said the attack was intentional and is being treated as Islamic extremism.

The suspect, a 24-year-old Afghan national who has not been identified, said in a police interview that he purposely drove into the crowd, Gabriele Tilmann, a senior public prosecutor, said at a news conference. The suspect’s reason “could be summarized as a religious reason,” Tilmann said.

“I can’t say more about it, but what he said would lead us to conclude that it was a religious motive,” she said.

“We don’t want to jump to any conclusions, but given what has happened, we would assume this was an Islamic extremist attack,” she continued, adding that the suspect prayed after his arrest.

He was charged with 36 counts of attempted murder, as well as grievous bodily harm and reckless driving.