In 2011, during President Barack Obama's least popular time in office, Donald Trump fired off an opportunistic tweet.

Simpler times.

How the tables have turned.

Donald Trump is now the President of the United States.

He's also the one languishing in the polls, having clocked his worst ever daily approval rating in the latest Gallup poll.

He's a full 25 points behind Barack Obama's equivalent point in his first term.

If you compare their net approval ratings ('approve, subtracting 'disapprove'), the picture gets even worse.

Trump is in the negative already, while Obama was enjoying a healthy +32 net approval rating.

In addition, Barack Obama's worst ever disapproval rating was 43 per cent, according to Gallup weekly averages.

Donald Trump has averaged 52.36 per cent disapproval for his time in office, and stands at 57 currently.

His approval(CNN) Police arrested a 22-year-old man Thursday in the Netherlands in connection with a suspected terror threat that led authorities to cancel a concert in Rotterdam hours earlier.

The suspect, who has Dutch nationality, was detained at his home in the southern region of Brabant in the early hours, a Rotterdam police spokesman told CNN. The property was also searched.

Dutch authorities called off the concert Wednesday evening following a tip-off from Spain's Guardia Civil, which passed on the information after its intelligence services came across it, a spokeswoman for the organization told CNN.

Asked if the terror threat concerning the concert in the Netherlands was connected to last week's terror attacks in Catalonia , the Guardia Civil spokeswoman said "not directly."

She said she could not give any further information because