Four-days since the ceasefire was agreed in Syria, and footage posted by activists on a social media website shows heavy fighting appears to be starting up again between the two sides. The fighting comes just hours, after first team of United Nations truce monitors had arrived in the country, as part of the brokered deal arrangement.

In this footage said to be from Juret al Shayah, and al- Karabees. Syrian government tanks are firing shells and mortar rounds at various neighbourhoods in the opposition area of the Homs district.

Here another segment of video, , shows what the website says are residential buildings and apartment houses hit by shells and missiles. Plumes of smoke are billowing from the buildings.

Reuters is unable to independently verify the content of this video, which have been obtained from a social media website.