HuffPost UK understands a package containing an unknown liquid - which was later deemed non-hazardous - was sent to the office of the Bedford MP, but he did not personally open it. "Two people - a man and a woman - have been taken to a central London hospital as a "precaution", The Independent reports citing London's Metropolitan Police as saying".
The vile posters, which the Met police are also investigating, encourage people to get points for committing increasingly serious offences against Muslims.
In a later tweet, Huq said one member of her staff had been treated in hospital "as he handled the irritant substance", but he was discharged later Tuesday. "It is disgusting though, it's really very frightening", she told the Guardian.
Police officers and paramedics rushed to the scene and two people have been taken to hospital as a precautionary measure. I'm sure I won't be the last and I'm sure this is part of a pattern of targeting Muslim MPs.
"Today we stand together with those facing this vile Islamophobia, to show them support, care and solidarity".
OECD Sees Better Outlook, if Trade Escalation Avoided
Global economic growth accelerated past year as higher investment and falling unemployment drove pickups in most major economies . A seagull flies by as cargo ships and an offshore supply vessel lie at anchor at sunrise off Sousse, Tunisia February 14, 2018.
A parliamentary spokesman confirmed four packages had been sent to the building in recent days and said police were investigating the latest package.
"Specialist officers are on scene and the package is being assessed", the police said in a statement, adding that "a second package at the same location is also being assessed".
Scotland Yard announced that an anti-terrorism investigation was under way to identify the ones behind these letters.
Emergency services were called to Norman Shaw North, a Parliamentary building, just before 1pm on Monday.
"Sadly, it is reflective of hate against Muslims which continues to manifest itself alongside the rise of the far-right", said the council, which represents some 2.7 million British Muslims.
A Parliament spokesman told BI that police were investigating potential links between the packages.