As Lebanese troops and Islamist militants clash at the Nahr al-Bared refugee camp in Tripoli, Lebanese residents have been sharing their experiences with the BBC. Ashraf Abu Khorj is a Palestinian teacher-trainer living inside the camp:
Residents of the refugee camp are trapped inside their homes
For the last three days it's been so bad for our children inside the camp.
There are about 40,000 of us here on just one kilometre of land.
There's no food, no water, no hospital inside the camp.
A short while ago UNRWA (UN agency for Palestinian refugees] brought food in for the people; then the Lebanese army bombed one of the trucks.
When I heard the truck was hit I went outside to see if my brother was OK because I knew he was there.
My nine year old cousin saw a guy die on the street today
He is well; but other guys died, I think about five people were killed. I saw one man with his legs cut.
I saw people crying; including children. My little cousin, she's nine, she saw a guy die on the street today.
It's really crazy for children to see those things. I can't concentrate now because the sight was so scary.
It's so, so bad. We used to live in peace and have a good relationship with the Lebanese community. My cousin even married a Lebanese girl; I don't know what's going on now.
It's to do with international issues, not local ones. And it seems no one wants to listen.
We cannot move outside our home; if someone goes outside, he may be shot.
For the last three days it's just been war; we can't sleep.
They are shooting again now - they said they wanted to stop but they lied; it's really crazy for my community here.