The North Yorkshire force said it was "liaising with the BBC regarding the alleged incident in North Yorkshire involving Jeremy Clarkson.
The British agency added that it was "liaising closely with law enforcement counterparts in the United States and with the City of London Police".
So far it has put £425,000 into Column and said it was "liaising with the team about the circumstances under which the remaining £75,000 might be released".
The Foreign Office said a specialist rapid deployment team had been sent to reinforce British embassy and consular staff in Algeria and it was "liaising very closely with all levels of the Algerian government".
The UK's largest travel association, Abta, said it was liaising closely with travel providers and the FCO, who have said they were concerned by events unfolding in Ankara and Istanbul and were monitoring the situation closely, a spokesperson said.
In a letter to investors, Guardian SIPP said it is "liaising with HMRC/FSCS" to allow individual investors to buy their investments back from the Sipps, and so avoid paying mounting fees.
Hamer said: "I've been liaising with Murray and I plan to sit down with him once the t20 has finished.
"Since the season started, I've been liaising with my engineers on what's been going on over race weekends.
Vaughan Smith, a journalist and former army officer who allowed the WikiLeaks founder to stay at his UK home for more than a year, said in a text message: "I don't believe for a minute that Julian is liaising with Moscow.
