On second thought, bring him alone but with a heavy guard.

I would like her to have a heavy guard at all times while she is in the palace.

He continued to be under heavy guard while in hospital.

That is the reason I am kept in this room with a heavy guard.

The prisoners were kept in a tight group, under heavy guard.

The court and the Tower were under especially heavy guard.

Government buildings and the military academy are not under heavy guard.

We were taken to our cell again, and put under heavy guard.

He was escorted out of the country under heavy guard.

I have seen some come under heavy guard of others.