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Ottawa Chemical Investigation

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Canada-Evacuations

Ambulances and police are shown at the scene of a evacuation and police investigation at the Chimo Hotel in Ottawa on Wednesday, Jan. 21, 2015. A 42-year-old man was arrested at the hotel Wednesday following an overnight police investigation linked to the discovery of dangerous chemicals 870 miles away in the Halifax area of Nova Scotia. Authorities evacuated two Halifax neighborhoods and the Ottawa hotel, and the suspect was arrested after negotiations with police, said Ottawa Const. Chuck Benoit. (AP Photo/The Canadian Press, Fred Chartrand) Ambulances and police are shown at the scene of a evacuation and police investigation at the Chimo Hotel in Ottawa on Wednesday, Jan. 21, 2015. A 42-year-old man was arrested at the hotel Wednesday following an overnight police investigation linked to the discovery of dangerous chemicals 870 miles away in the Halifax area of Nova Scotia. Authorities evacuated two Halifax neighborhoods and the Ottawa hotel, and the suspect was arrested after negotiations with police, said Ottawa Const. Chuck Benoit. (AP Photo/The Canadian Press, Fred Chartrand)

02 / 07

Canada-Evacuations

Ambulances and police are shown at the scene of a evacuation and police investigation at the Chimo Hotel in Ottawa on Wednesday, Jan. 21, 2015. A 42-year-old man was arrested at the hotel Wednesday following an overnight police investigation linked to the discovery of dangerous chemicals 870 miles away in the Halifax area of Nova Scotia. Authorities evacuated two Halifax neighborhoods and the Ottawa hotel, and the suspect was arrested after negotiations with police, said Ottawa Const. Chuck Benoit. (AP Photo/The Canadian Press, Fred Chartrand) Ambulances and police are shown at the scene of a evacuation and police investigation at the Chimo Hotel in Ottawa on Wednesday, Jan. 21, 2015. A 42-year-old man was arrested at the hotel Wednesday following an overnight police investigation linked to the discovery of dangerous chemicals 870 miles away in the Halifax area of Nova Scotia. Authorities evacuated two Halifax neighborhoods and the Ottawa hotel, and the suspect was arrested after negotiations with police, said Ottawa Const. Chuck Benoit. (AP Photo/The Canadian Press, Fred Chartrand)

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Ottawa Hotel Threat

Firefighters work the scene where a large quantity of unidentified chemicals were found in a residence in Grand Desert, Nova Scotia, Wednesday, Jan. 21, 2015. A 42-year-old man, who was the subject of a Canada-wide warrant following an overnight investigation linked to the evacuation of two areas in Halifax where police found a large quantity of chemicals they have yet to identify, was taken into custody. (AP Photo/The Canadian Press, Andrew Vaughan)

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Ottawa Hotel Threat

Firefighters work the scene where a large quantity of unidentified chemicals were found in a residence in Grand Desert, Nova Scotia, Wednesday, Jan. 21, 2015. A 42-year-old man, who was the subject of a Canada-wide warrant following an overnight investigation linked to the evacuation of two areas in Halifax where police found a large quantity of chemicals they have yet to identify, was taken into custody. (AP Photo/The Canadian Press, Andrew Vaughan)

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Ottawa Hotel Threat

A firefighter crosses the lawn where a large quantity of unidentified chemicals were found in a residence in Grand Desert, Nova Scotia, Wednesday, Jan. 21, 2015. A 42-year-old man, who was the subject of a Canada-wide warrant following an overnight investigation linked to the evacuation of two areas in Halifax where police found a large quantity of chemicals they have yet to identify, was taken into custody. (AP Photo/The Canadian Press, Andrew Vaughan)

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Canada-Evacuations

In a Tuesday, Jan. 20, 2015 photo, a member of the RCMP explosive disposal unit prepares to enter a residence in Cole Harbour, a Halifax suburb. Police evacuated homes within 100 meters of the house after finding a suspicious package. A 42-year-old man was arrested at an Ottawa hotel Wednesday following an overnight police investigation linked to the discovery of dangerous chemicals 870 miles away in the Halifax area of Nova Scotia. (AP Photo/The Canadian Press, Andrew Vaughan) In a Tuesday, Jan. 20, 2015 photo, a member of the RCMP explosive disposal unit prepares to enter a residence in Cole Harbour, a Halifax suburb. Police evacuated homes within 100 meters of the house after finding a suspicious package. A 42-year-old man was arrested at an Ottawa hotel Wednesday following an overnight police investigation linked to the discovery of dangerous chemicals 870 miles away in the Halifax area of Nova Scotia. (AP Photo/The Canadian Press, Andrew Vaughan)

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Canada-Evacuations

In a Tuesday, Jan. 20, 2015 photo, residents in Cole Harbour, a Halifax suburb, gather their pets and a few belongings after police evacuated homes within 100 meters of a house on a residential street after finding a suspicious package. A 42-year-old man was arrested at the the Chimo Hotel in Ottowa Wednesday following an overnight police investigation linked to the discovery of dangerous chemicals in the suspicious package in the Halifax area of Nova Scotia. Authorities evacuated two Halifax neighborhoods and the Ottawa hotel, and the suspect was arrested after negotiations with police, said Ottawa Const. Chuck Benoit. (AP Photo/The Canadian Press, Andrew Vaughan)