"What concerns me about his bizarre talk is that it's so full of violence."

There were also concerns about the quality of the data.

But aren't there concerns about the military's involvement in the drugs war?

But there are also concerns about privacy and security, she said.

Which is exactly what concerned me about this trip in the first place.

There are still concerns about the health of the system.

There are also concerns about violence and intimidation against religious people.

There are also concerns about sexual activity in public places such as beaches.

There are also concerns about security, because the Internet is public.

There are also concerns about the loss of green space.